56431633 has 4 divisors (see below), whose sum is σ = 56455488. Its totient is φ = 56407780.

The previous prime is 56431601. The next prime is 56431657. The reversal of 56431633 is 33613465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56431633 - 2⁵ = 56431601 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56431595 and 56431604.

It is not an unprimeable number, because it can be changed into a prime (56431433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7933 + ... + 13258.

It is an arithmetic number, because the mean of its divisors is an integer number (14113872).

Almost surely, 2^56431633 is an apocalyptic number.

It is an amenable number.

56431633 is a deficient number, since it is larger than the sum of its proper divisors (23855).

56431633 is a wasteful number, since it uses less digits than its factorization.

56431633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23854.

The product of its digits is 19440, while the sum is 31.

The square root of 56431633 is about 7512.0991074399. The cubic root of 56431633 is about 383.5666792669.

The spelling of 56431633 in words is "fifty-six million, four hundred thirty-one thousand, six hundred thirty-three".