56472643431 has 12 divisors (see below), whose sum is σ = 81666568360. Its totient is φ = 37604595600.

The previous prime is 56472643421. The next prime is 56472643433. The reversal of 56472643431 is 13434627465.

56472643431 is a `hidden beast` number, since 5 + 6 + 47 + 264 + 343 + 1 = 666.

It is not a de Polignac number, because 56472643431 - 2¹¹ = 56472641383 is a prime.

It is a super-2 number, since 2×56472643431² (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 (56472643433) 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, 3644620 + ... + 3660081.

Almost surely, 2^56472643431 is an apocalyptic number.

56472643431 is a deficient number, since it is larger than the sum of its proper divisors (25193924929).

56472643431 is a wasteful number, since it uses less digits than its factorization.

56472643431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7305566 (or 7305563 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The spelling of 56472643431 in words is "fifty-six billion, four hundred seventy-two million, six hundred forty-three thousand, four hundred thirty-one".