56100551100 has 288 divisors, whose sum is σ = 180640938240. Its totient is φ = 13328640000.

The previous prime is 56100551099. The next prime is 56100551137. The reversal of 56100551100 is 115500165.

It is a super-2 number, since 2×56100551100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43120450 + ... + 43121750.

It is an arithmetic number, because the mean of its divisors is an integer number (627225480).

Almost surely, 2^56100551100 is an apocalyptic number.

56100551100 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 56100551100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90320469120).

56100551100 is an abundant number, since it is smaller than the sum of its proper divisors (124540387140).

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

56100551100 is a wasteful number, since it uses less digits than its factorization.

56100551100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 56100551100 in words is "fifty-six billion, one hundred million, five hundred fifty-one thousand, one hundred".