56547074565 has 64 divisors (see below), whose sum is σ = 101910977280. Its totient is φ = 29744824320.

The previous prime is 56547074539. The next prime is 56547074569.

It is a happy number.

56547074565 is a `hidden beast` number, since 5 + 6 + 5 + 4 + 7 + 0 + 74 + 565 = 666.

56547074565 is nontrivially palindromic in base 10.

56547074565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56547074565 - 2⁵ = 56547074533 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56547074569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7178469 + ... + 7186341.

It is an arithmetic number, because the mean of its divisors is an integer number (1592359020).

Almost surely, 2^56547074565 is an apocalyptic number.

It is an amenable number.

56547074565 is a deficient number, since it is larger than the sum of its proper divisors (45363902715).

56547074565 is a wasteful number, since it uses less digits than its factorization.

56547074565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611 (or 8605 counting only the distinct ones).

The product of its (nonzero) digits is 17640000, while the sum is 54.

The spelling of 56547074565 in words is "fifty-six billion, five hundred forty-seven million, seventy-four thousand, five hundred sixty-five".