56653230040 has 64 divisors (see below), whose sum is σ = 139119858720. Its totient is φ = 20592000000.

The previous prime is 56653230037. The next prime is 56653230041. The reversal of 56653230040 is 4003235665.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56653229978 and 56653230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56653230041) 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, 1002540 + ... + 1057540.

Almost surely, 2^56653230040 is an apocalyptic number.

It is an amenable number.

56653230040 is an abundant number, since it is smaller than the sum of its proper divisors (82466628680).

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

56653230040 is a wasteful number, since it uses less digits than its factorization.

56653230040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57364 (or 57360 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 56653230040 in words is "fifty-six billion, six hundred fifty-three million, two hundred thirty thousand, forty".