56915573 has 8 divisors (see below), whose sum is σ = 66866016. Its totient is φ = 47761200.

The previous prime is 56915561. The next prime is 56915581. The reversal of 56915573 is 37551965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56915573 - 2¹⁶ = 56850037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56915573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56911573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198863 + ... + 199148.

It is an arithmetic number, because the mean of its divisors is an integer number (8358252).

Almost surely, 2^56915573 is an apocalyptic number.

It is an amenable number.

56915573 is a deficient number, since it is larger than the sum of its proper divisors (9950443).

56915573 is a wasteful number, since it uses less digits than its factorization.

56915573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398035.

The product of its digits is 141750, while the sum is 41.

The square root of 56915573 is about 7544.2410486410. The cubic root of 56915573 is about 384.6600090592.

The spelling of 56915573 in words is "fifty-six million, nine hundred fifteen thousand, five hundred seventy-three".