56294537431 has 12 divisors (see below), whose sum is σ = 62725113136. Its totient is φ = 50475791520.

The previous prime is 56294537419. The next prime is 56294537447. The reversal of 56294537431 is 13473549265.

It is not a de Polignac number, because 56294537431 - 2⁷ = 56294537303 is a prime.

It is a super-2 number, since 2×56294537431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56294537471) 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, 3177771 + ... + 3195436.

Almost surely, 2^56294537431 is an apocalyptic number.

56294537431 is a deficient number, since it is larger than the sum of its proper divisors (6430575705).

56294537431 is a wasteful number, since it uses less digits than its factorization.

56294537431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373302 (or 6373291 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 49.

The spelling of 56294537431 in words is "fifty-six billion, two hundred ninety-four million, five hundred thirty-seven thousand, four hundred thirty-one".