56974045 has 4 divisors (see below), whose sum is σ = 68368860. Its totient is φ = 45579232.

The previous prime is 56974039. The next prime is 56974069. The reversal of 56974045 is 54047965.

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 37100281 + 19873764 = 6091^2 + 4458^2 .

It is a cyclic number.

It is not a de Polignac number, because 56974045 - 2¹¹ = 56971997 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 56973989 and 56974007.

It is a congruent 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, 5697400 + ... + 5697409.

It is an arithmetic number, because the mean of its divisors is an integer number (17092215).

Almost surely, 2^56974045 is an apocalyptic number.

It is an amenable number.

56974045 is a deficient number, since it is larger than the sum of its proper divisors (11394815).

56974045 is a wasteful number, since it uses less digits than its factorization.

56974045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394814.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 56974045 is about 7548.1153276828. The cubic root of 56974045 is about 384.7916903136.

The spelling of 56974045 in words is "fifty-six million, nine hundred seventy-four thousand, forty-five".