56038817031 has 4 divisors (see below), whose sum is σ = 74718422712. Its totient is φ = 37359211352.

The previous prime is 56038816979. The next prime is 56038817039. The reversal of 56038817031 is 13071883065.

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

It is a cyclic number.

It is not a de Polignac number, because 56038817031 - 2¹⁰ = 56038816007 is a prime.

It is a super-2 number, since 2×56038817031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56038817039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9339802836 + ... + 9339802841.

It is an arithmetic number, because the mean of its divisors is an integer number (18679605678).

Almost surely, 2^56038817031 is an apocalyptic number.

56038817031 is a deficient number, since it is larger than the sum of its proper divisors (18679605681).

56038817031 is a wasteful number, since it uses less digits than its factorization.

56038817031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18679605680.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 56038817031 in words is "fifty-six billion, thirty-eight million, eight hundred seventeen thousand, thirty-one".