56864319 has 8 divisors (see below), whose sum is σ = 76515120. Its totient is φ = 37561536.

The previous prime is 56864309. The next prime is 56864333. The reversal of 56864319 is 91346865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56864319 - 2⁵ = 56864287 is a prime.

It is a super-2 number, since 2×56864319² = 6467101550667522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56864309) 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 7 ways as a sum of consecutive naturals, for example, 86622 + ... + 87275.

It is an arithmetic number, because the mean of its divisors is an integer number (9564390).

Almost surely, 2^56864319 is an apocalyptic number.

56864319 is a deficient number, since it is larger than the sum of its proper divisors (19650801).

56864319 is a wasteful number, since it uses less digits than its factorization.

56864319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174009.

The product of its digits is 155520, while the sum is 42.

The square root of 56864319 is about 7540.8433878446. The cubic root of 56864319 is about 384.5445088303.

The spelling of 56864319 in words is "fifty-six million, eight hundred sixty-four thousand, three hundred nineteen".