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55106005000 = 235443256307
BaseRepresentation
bin110011010100100100…
…101110100000001000
312021020102200002201011
4303110210232200020
51400324114130000
641152040533304
73660402212464
oct632444564010
9167212602634
1055106005000
11214089a31a2
12a81aa81234
135272865467
14294a9074a4
151677c8a2ba
hexcd492e808

55106005000 has 80 divisors (see below), whose sum is σ = 132116521680. Its totient is φ = 21529704000.

The previous prime is 55106004983. The next prime is 55106005027. The reversal of 55106005000 is 50060155.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86847 + ... + 343153.

It is an arithmetic number, because the mean of its divisors is an integer number (1651456521).

Almost surely, 255106005000 is an apocalyptic number.

55106005000 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 55106005000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66058260840).

55106005000 is an abundant number, since it is smaller than the sum of its proper divisors (77010516680).

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

55106005000 is a wasteful number, since it uses less digits than its factorization.

55106005000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256376 (or 256357 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 55106005000 its reverse (50060155), we get a palindrome (55156065155).

The spelling of 55106005000 in words is "fifty-five billion, one hundred six million, five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 43 50 86 100 125 172 200 215 250 344 430 500 625 860 1000 1075 1250 1720 2150 2500 4300 5000 5375 8600 10750 21500 26875 43000 53750 107500 215000 256307 512614 1025228 1281535 2050456 2563070 5126140 6407675 10252280 11021201 12815350 22042402 25630700 32038375 44084804 51261400 55106005 64076750 88169608 110212010 128153500 160191875 220424020 256307000 275530025 320383750 440848040 551060050 640767500 1102120100 1281535000 1377650125 2204240200 2755300250 5510600500 6888250625 11021201000 13776501250 27553002500 55106005000