56476031 has 4 divisors (see below), whose sum is σ = 56623872. Its totient is φ = 56328192.

The previous prime is 56476009. The next prime is 56476081. The reversal of 56476031 is 13067465.

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 56476031 - 2¹⁰ = 56475007 is a prime.

It is a super-2 number, since 2×56476031² = 6379084155025922, 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 (56476081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73346 + ... + 74111.

It is an arithmetic number, because the mean of its divisors is an integer number (14155968).

Almost surely, 2^56476031 is an apocalyptic number.

56476031 is a deficient number, since it is larger than the sum of its proper divisors (147841).

56476031 is a wasteful number, since it uses less digits than its factorization.

56476031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147840.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 56476031 is about 7515.0536258898. The cubic root of 56476031 is about 383.6672441949.

The spelling of 56476031 in words is "fifty-six million, four hundred seventy-six thousand, thirty-one".