56555015650 has 96 divisors (see below), whose sum is σ = 122094685440. Its totient is φ = 19090080000.

The previous prime is 56555015639. The next prime is 56555015683. The reversal of 56555015650 is 5651055565.

56555015650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56555015597 and 56555015606.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6393931 + ... + 6402769.

It is an arithmetic number, because the mean of its divisors is an integer number (1271819640).

Almost surely, 2^56555015650 is an apocalyptic number.

56555015650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56555015650 is an abundant number, since it is smaller than the sum of its proper divisors (65539669790).

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

56555015650 is a wasteful number, since it uses less digits than its factorization.

56555015650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140 (or 9135 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 56555015650 in words is "fifty-six billion, five hundred fifty-five million, fifteen thousand, six hundred fifty".