56615854120 has 64 divisors (see below), whose sum is σ = 154147380480. Its totient is φ = 18269316096.

The previous prime is 56615854093. The next prime is 56615854121. The reversal of 56615854120 is 2145851665.

It is not an unprimeable number, because it can be changed into a prime (56615854121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5942284 + ... + 5951803.

It is an arithmetic number, because the mean of its divisors is an integer number (2408552820).

Almost surely, 2^56615854120 is an apocalyptic number.

It is an amenable number.

56615854120 is an abundant number, since it is smaller than the sum of its proper divisors (97531526360).

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

56615854120 is a wasteful number, since it uses less digits than its factorization.

56615854120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11894122 (or 11894118 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 56615854120 in words is "fifty-six billion, six hundred fifteen million, eight hundred fifty-four thousand, one hundred twenty".