56261623838 has 16 divisors (see below), whose sum is σ = 96479856000. Its totient is φ = 24104285016.

The previous prime is 56261623793. The next prime is 56261623841. The reversal of 56261623838 is 83832616265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608588 + ... + 694911.

It is an arithmetic number, because the mean of its divisors is an integer number (6029991000).

Almost surely, 2^56261623838 is an apocalyptic number.

56261623838 is a deficient number, since it is larger than the sum of its proper divisors (40218232162).

56261623838 is a wasteful number, since it uses less digits than its factorization.

56261623838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306591.

The product of its digits is 2488320, while the sum is 50.

The spelling of 56261623838 in words is "fifty-six billion, two hundred sixty-one million, six hundred twenty-three thousand, eight hundred thirty-eight".