56632131939 has 4 divisors (see below), whose sum is σ = 75509509256. Its totient is φ = 37754754624.

The previous prime is 56632131929. The next prime is 56632131971. The reversal of 56632131939 is 93913123665.

56632131939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 56632131939 - 2⁷ = 56632131811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56632131929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9438688654 + ... + 9438688659.

It is an arithmetic number, because the mean of its divisors is an integer number (18877377314).

Almost surely, 2^56632131939 is an apocalyptic number.

56632131939 is a deficient number, since it is larger than the sum of its proper divisors (18877377317).

56632131939 is a wasteful number, since it uses less digits than its factorization.

56632131939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18877377316.

The product of its digits is 787320, while the sum is 48.

The spelling of 56632131939 in words is "fifty-six billion, six hundred thirty-two million, one hundred thirty-one thousand, nine hundred thirty-nine".