56311265 has 4 divisors (see below), whose sum is σ = 67573524. Its totient is φ = 45049008.

The previous prime is 56311249. The next prime is 56311271. The reversal of 56311265 is 56211365.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31550689 + 24760576 = 5617^2 + 4976^2 .

It is a cyclic number.

It is not a de Polignac number, because 56311265 - 2⁴ = 56311249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5631122 + ... + 5631131.

It is an arithmetic number, because the mean of its divisors is an integer number (16893381).

Almost surely, 2^56311265 is an apocalyptic number.

It is an amenable number.

56311265 is a deficient number, since it is larger than the sum of its proper divisors (11262259).

56311265 is a wasteful number, since it uses less digits than its factorization.

56311265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262258.

The product of its digits is 5400, while the sum is 29.

The square root of 56311265 is about 7504.0832218200. The cubic root of 56311265 is about 383.2937707542.

The spelling of 56311265 in words is "fifty-six million, three hundred eleven thousand, two hundred sixty-five".