56464831 has 4 divisors (see below), whose sum is σ = 57842064. Its totient is φ = 55087600.

The previous prime is 56464819. The next prime is 56464841. The reversal of 56464831 is 13846465.

It is a happy number.

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

It is not a de Polignac number, because 56464831 - 2¹⁵ = 56432063 is a prime.

It is a super-4 number, since 4×56464831⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56464801) 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, 688555 + ... + 688636.

It is an arithmetic number, because the mean of its divisors is an integer number (14460516).

Almost surely, 2^56464831 is an apocalyptic number.

56464831 is a deficient number, since it is larger than the sum of its proper divisors (1377233).

56464831 is a wasteful number, since it uses less digits than its factorization.

56464831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377232.

The product of its digits is 69120, while the sum is 37.

The square root of 56464831 is about 7514.3084179451. The cubic root of 56464831 is about 383.6418802948.

The spelling of 56464831 in words is "fifty-six million, four hundred sixty-four thousand, eight hundred thirty-one".