56429831 has 4 divisors (see below), whose sum is σ = 56610432. Its totient is φ = 56249232.

The previous prime is 56429809. The next prime is 56429839. The reversal of 56429831 is 13892465.

It is a happy number.

56429831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56429831 - 2¹⁸ = 56167687 is a prime.

It is a super-2 number, since 2×56429831² = 6368651653377122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56429839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89831 + ... + 90456.

It is an arithmetic number, because the mean of its divisors is an integer number (14152608).

Almost surely, 2^56429831 is an apocalyptic number.

56429831 is a deficient number, since it is larger than the sum of its proper divisors (180601).

56429831 is a wasteful number, since it uses less digits than its factorization.

56429831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180600.

The product of its digits is 51840, while the sum is 38.

The square root of 56429831 is about 7511.9791666378. The cubic root of 56429831 is about 383.5625964829.

The spelling of 56429831 in words is "fifty-six million, four hundred twenty-nine thousand, eight hundred thirty-one".