56070865 has 4 divisors (see below), whose sum is σ = 67285044. Its totient is φ = 44856688.

The previous prime is 56070853. The next prime is 56070871. The reversal of 56070865 is 56807065.

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 17581249 + 38489616 = 4193^2 + 6204^2 .

It is a cyclic number.

It is not a de Polignac number, because 56070865 - 2⁷ = 56070737 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, 5607082 + ... + 5607091.

It is an arithmetic number, because the mean of its divisors is an integer number (16821261).

Almost surely, 2^56070865 is an apocalyptic number.

It is an amenable number.

56070865 is a deficient number, since it is larger than the sum of its proper divisors (11214179).

56070865 is a wasteful number, since it uses less digits than its factorization.

56070865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214178.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 56070865 is about 7488.0481435418. The cubic root of 56070865 is about 382.7475493249.

It can be divided in two parts, 5 and 6070865, that added together give a triangular number (6070870 = T₃₄₈₄).

The spelling of 56070865 in words is "fifty-six million, seventy thousand, eight hundred sixty-five".