56638038758 has 24 divisors (see below), whose sum is σ = 99184424112. Its totient is φ = 24185803824.

The previous prime is 56638038757. The next prime is 56638038803. The reversal of 56638038758 is 85783083665.

It is a junction number, because it is equal to n+sod(n) for n = 56638038697 and 56638038706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56638038757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016066 + ... + 1070357.

It is an arithmetic number, because the mean of its divisors is an integer number (4132684338).

Almost surely, 2^56638038758 is an apocalyptic number.

56638038758 is a deficient number, since it is larger than the sum of its proper divisors (42546385354).

56638038758 is a wasteful number, since it uses less digits than its factorization.

56638038758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086716 (or 2086709 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 56638038758 in words is "fifty-six billion, six hundred thirty-eight million, thirty-eight thousand, seven hundred fifty-eight".