56184431 has 4 divisors (see below), whose sum is σ = 57996864. Its totient is φ = 54372000.

The previous prime is 56184421. The next prime is 56184433. The reversal of 56184431 is 13448165.

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 56184431 - 2⁶ = 56184367 is a prime.

It is a super-2 number, since 2×56184431² = 6313380573587522, 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 (56184433) 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, 906170 + ... + 906231.

It is an arithmetic number, because the mean of its divisors is an integer number (14499216).

Almost surely, 2^56184431 is an apocalyptic number.

56184431 is a deficient number, since it is larger than the sum of its proper divisors (1812433).

56184431 is a wasteful number, since it uses less digits than its factorization.

56184431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812432.

The product of its digits is 11520, while the sum is 32.

The square root of 56184431 is about 7495.6274587255. The cubic root of 56184431 is about 383.0057808506.

The spelling of 56184431 in words is "fifty-six million, one hundred eighty-four thousand, four hundred thirty-one".