56369091331 has 12 divisors (see below), whose sum is σ = 65627240472. Its totient is φ = 48275814048.

The previous prime is 56369091313. The next prime is 56369091407. The reversal of 56369091331 is 13319096365.

56369091331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56369091331 - 2¹⁷ = 56368960259 is a prime.

It is a super-2 number, since 2×56369091331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56369491331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423685 + ... + 540598.

It is an arithmetic number, because the mean of its divisors is an integer number (5468936706).

Almost surely, 2^56369091331 is an apocalyptic number.

56369091331 is a deficient number, since it is larger than the sum of its proper divisors (9258149141).

56369091331 is a wasteful number, since it uses less digits than its factorization.

56369091331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965490 (or 965483 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 46.

The spelling of 56369091331 in words is "fifty-six billion, three hundred sixty-nine million, ninety-one thousand, three hundred thirty-one".