56373431 has 4 divisors (see below), whose sum is σ = 56389200. Its totient is φ = 56357664.

The previous prime is 56373409. The next prime is 56373433. The reversal of 56373431 is 13437365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13437365 = 5 ⋅2687473.

It is a cyclic number.

It is not a de Polignac number, because 56373431 - 2⁶ = 56373367 is a prime.

It is a super-2 number, since 2×56373431² = 6355927445423522, which 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 (56373433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335 + ... + 10623.

It is an arithmetic number, because the mean of its divisors is an integer number (14097300).

Almost surely, 2^56373431 is an apocalyptic number.

56373431 is a deficient number, since it is larger than the sum of its proper divisors (15769).

56373431 is a wasteful number, since it uses less digits than its factorization.

56373431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768.

The product of its digits is 22680, while the sum is 32.

The square root of 56373431 is about 7508.2242241425. The cubic root of 56373431 is about 383.4347672761.

The spelling of 56373431 in words is "fifty-six million, three hundred seventy-three thousand, four hundred thirty-one".