56056015100 has 72 divisors (see below), whose sum is σ = 122663117808. Its totient is φ = 22234867200.

The previous prime is 56056015097. The next prime is 56056015117. The reversal of 56056015100 is 151065065.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6161555 + ... + 6170645.

It is an arithmetic number, because the mean of its divisors is an integer number (1703654414).

Almost surely, 2^56056015100 is an apocalyptic number.

56056015100 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 56056015100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61331558904).

56056015100 is an abundant number, since it is smaller than the sum of its proper divisors (66607102708).

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

56056015100 is a wasteful number, since it uses less digits than its factorization.

56056015100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615 (or 9608 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 56056015100 in words is "fifty-six billion, fifty-six million, fifteen thousand, one hundred".