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50055550000 = 24551815531
BaseRepresentation
bin101110100111100010…
…110001010000110000
311210012110100101220021
4232213202301100300
51310003210100000
634554544053224
73421265104051
oct564742612060
9153173311807
1050055550000
111a257064645
12984b604214
13494941c351
1425cbc70728
15147e6b911a
hexba78b1430

50055550000 has 120 divisors (see below), whose sum is σ = 121912290864. Its totient is φ = 19908000000.

The previous prime is 50055549983. The next prime is 50055550001. The reversal of 50055550000 is 5555005.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50055550001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9047235 + ... + 9052765.

Almost surely, 250055550000 is an apocalyptic number.

50055550000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50055550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60956145432).

50055550000 is an abundant number, since it is smaller than the sum of its proper divisors (71856740864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50055550000 is an equidigital number, since it uses as much as digits as its factorization.

50055550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745 (or 5719 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 50055550000 in words is "fifty billion, fifty-five million, five hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 181 200 250 362 400 500 625 724 905 1000 1250 1448 1810 2000 2500 2896 3125 3620 4525 5000 5531 6250 7240 9050 10000 11062 12500 14480 18100 22124 22625 25000 27655 36200 44248 45250 50000 55310 72400 88496 90500 110620 113125 138275 181000 221240 226250 276550 362000 442480 452500 553100 565625 691375 905000 1001111 1106200 1131250 1382750 1810000 2002222 2212400 2262500 2765500 3456875 4004444 4525000 5005555 5531000 6913750 8008888 9050000 10011110 11062000 13827500 16017776 17284375 20022220 25027775 27655000 34568750 40044440 50055550 55310000 69137500 80088880 100111100 125138875 138275000 200222200 250277750 276550000 400444400 500555500 625694375 1001111000 1251388750 2002222000 2502777500 3128471875 5005555000 6256943750 10011110000 12513887500 25027775000 50055550000