56865319 has 16 divisors (see below), whose sum is σ = 66882816. Its totient is φ = 47332800.

The previous prime is 56865301. The next prime is 56865371. The reversal of 56865319 is 91356865.

It is a cyclic number.

It is not a de Polignac number, because 56865319 - 2⁵ = 56865287 is a prime.

It is a super-2 number, since 2×56865319² = 6467329009943522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56865719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99304 + ... + 99874.

It is an arithmetic number, because the mean of its divisors is an integer number (4180176).

Almost surely, 2^56865319 is an apocalyptic number.

56865319 is a deficient number, since it is larger than the sum of its proper divisors (10017497).

56865319 is a wasteful number, since it uses less digits than its factorization.

56865319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 194400, while the sum is 43.

The square root of 56865319 is about 7540.9096931338. The cubic root of 56865319 is about 384.5467629811.

The spelling of 56865319 in words is "fifty-six million, eight hundred sixty-five thousand, three hundred nineteen".