56897593 has 4 divisors (see below), whose sum is σ = 56926800. Its totient is φ = 56868388.

The previous prime is 56897573. The next prime is 56897597. The reversal of 56897593 is 39579865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56897593 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 56897593.

It is not an unprimeable number, because it can be changed into a prime (56897597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11455 + ... + 15652.

It is an arithmetic number, because the mean of its divisors is an integer number (14231700).

Almost surely, 2^56897593 is an apocalyptic number.

It is an amenable number.

56897593 is a deficient number, since it is larger than the sum of its proper divisors (29207).

56897593 is a wasteful number, since it uses less digits than its factorization.

56897593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29206.

The product of its digits is 2041200, while the sum is 52.

The square root of 56897593 is about 7543.0493170866. The cubic root of 56897593 is about 384.6194992596.

The spelling of 56897593 in words is "fifty-six million, eight hundred ninety-seven thousand, five hundred ninety-three".