56638040084 has 12 divisors (see below), whose sum is σ = 99122251200. Its totient is φ = 28317396888.

The previous prime is 56638040077. The next prime is 56638040111. The reversal of 56638040084 is 48004083665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325514 + ... + 468225.

It is an arithmetic number, because the mean of its divisors is an integer number (8260187600).

Almost surely, 2^56638040084 is an apocalyptic number.

It is an amenable number.

56638040084 is a deficient number, since it is larger than the sum of its proper divisors (42484211116).

56638040084 is a wasteful number, since it uses less digits than its factorization.

56638040084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811582 (or 811580 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 56638040084 in words is "fifty-six billion, six hundred thirty-eight million, forty thousand, eighty-four".