56747165 has 4 divisors (see below), whose sum is σ = 68096604. Its totient is φ = 45397728.

The previous prime is 56747161. The next prime is 56747177. The reversal of 56747165 is 56174765.

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 27899524 + 28847641 = 5282^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 56747165 - 2² = 56747161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56747161) 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, 5674712 + ... + 5674721.

It is an arithmetic number, because the mean of its divisors is an integer number (17024151).

Almost surely, 2^56747165 is an apocalyptic number.

It is an amenable number.

56747165 is a deficient number, since it is larger than the sum of its proper divisors (11349439).

56747165 is a wasteful number, since it uses less digits than its factorization.

56747165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349438.

The product of its digits is 176400, while the sum is 41.

The square root of 56747165 is about 7533.0714187508. The cubic root of 56747165 is about 384.2802429299.

The spelling of 56747165 in words is "fifty-six million, seven hundred forty-seven thousand, one hundred sixty-five".