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55045501000 = 235377863643
BaseRepresentation
bin110011010000111101…
…111011000001001000
312021002012211011211021
4303100331323001020
51400213122013000
641142040042224
73656036016130
oct632075730110
9167065734737
1055045501000
1121387828696
12a802763374
13526316cc89
142942877ac0
1516727d811a
hexcd0f7b048

55045501000 has 64 divisors (see below), whose sum is σ = 147207415680. Its totient is φ = 18872740800.

The previous prime is 55045500977. The next prime is 55045501009. The reversal of 55045501000 is 10554055.

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

It is not an unprimeable number, because it can be changed into a prime (55045501009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924822 + ... + 3938821.

It is an arithmetic number, because the mean of its divisors is an integer number (2300115870).

Almost surely, 255045501000 is an apocalyptic number.

55045501000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55045501000 is an abundant number, since it is smaller than the sum of its proper divisors (92161914680).

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

55045501000 is a wasteful number, since it uses less digits than its factorization.

55045501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863671 (or 7863657 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The spelling of 55045501000 in words is "fifty-five billion, forty-five million, five hundred one thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 7863643 15727286 31454572 39318215 55045501 62909144 78636430 110091002 157272860 196591075 220182004 275227505 314545720 393182150 440364008 550455010 786364300 982955375 1100910020 1376137525 1572728600 1965910750 2201820040 2752275050 3931821500 5504550100 6880687625 7863643000 11009100200 13761375250 27522750500 55045501000