56580477838 has 32 divisors (see below), whose sum is σ = 88740748800. Its totient is φ = 27029607360.

The previous prime is 56580477829. The next prime is 56580477913. The reversal of 56580477838 is 83877408565.

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 15 ways as a sum of consecutive naturals, for example, 12168138 + ... + 12172786.

It is an arithmetic number, because the mean of its divisors is an integer number (2773148400).

Almost surely, 2^56580477838 is an apocalyptic number.

56580477838 is a deficient number, since it is larger than the sum of its proper divisors (32160270962).

56580477838 is a wasteful number, since it uses less digits than its factorization.

56580477838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752.

The product of its (nonzero) digits is 45158400, while the sum is 61.

The spelling of 56580477838 in words is "fifty-six billion, five hundred eighty million, four hundred seventy-seven thousand, eight hundred thirty-eight".