56896613 has 4 divisors (see below), whose sum is σ = 57970188. Its totient is φ = 55823040.

The previous prime is 56896573. The next prime is 56896657. The reversal of 56896613 is 31669865.

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 52157284 + 4739329 = 7222^2 + 2177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56896613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56896663) 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, 536708 + ... + 536813.

It is an arithmetic number, because the mean of its divisors is an integer number (14492547).

Almost surely, 2^56896613 is an apocalyptic number.

56896613 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

56896613 is a deficient number, since it is larger than the sum of its proper divisors (1073575).

56896613 is a wasteful number, since it uses less digits than its factorization.

56896613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073574.

The product of its digits is 233280, while the sum is 44.

The square root of 56896613 is about 7542.9843563407. The cubic root of 56896613 is about 384.6172910275.

The spelling of 56896613 in words is "fifty-six million, eight hundred ninety-six thousand, six hundred thirteen".