56129893670 has 48 divisors (see below), whose sum is σ = 108438970320. Its totient is φ = 20909683008.

The previous prime is 56129893663. The next prime is 56129893681. The reversal of 56129893670 is 7639892165.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81224 + ... + 344756.

It is an arithmetic number, because the mean of its divisors is an integer number (2259145215).

Almost surely, 2^56129893670 is an apocalyptic number.

56129893670 is a deficient number, since it is larger than the sum of its proper divisors (52309076650).

56129893670 is a wasteful number, since it uses less digits than its factorization.

56129893670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263637 (or 263618 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 56129893670 in words is "fifty-six billion, one hundred twenty-nine million, eight hundred ninety-three thousand, six hundred seventy".