56899617 has 4 divisors (see below), whose sum is σ = 75866160. Its totient is φ = 37933076.

The previous prime is 56899597. The next prime is 56899639. The reversal of 56899617 is 71699865.

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 not a de Polignac number, because 56899617 - 2⁶ = 56899553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56899617.

It is not an unprimeable number, because it can be changed into a prime (56899517) 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, 9483267 + ... + 9483272.

It is an arithmetic number, because the mean of its divisors is an integer number (18966540).

Almost surely, 2^56899617 is an apocalyptic number.

It is an amenable number.

56899617 is a deficient number, since it is larger than the sum of its proper divisors (18966543).

56899617 is a wasteful number, since it uses less digits than its factorization.

56899617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18966542.

The product of its digits is 816480, while the sum is 51.

The square root of 56899617 is about 7543.1834791419. The cubic root of 56899617 is about 384.6240598546.

The spelling of 56899617 in words is "fifty-six million, eight hundred ninety-nine thousand, six hundred seventeen".