56813159 has 8 divisors (see below), whose sum is σ = 61246080. Its totient is φ = 52389216.

The previous prime is 56813153. The next prime is 56813189. The reversal of 56813159 is 95131865.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56813159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56813153) 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, 17189 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (7655760).

Almost surely, 2^56813159 is an apocalyptic number.

56813159 is a deficient number, since it is larger than the sum of its proper divisors (4432921).

56813159 is a wasteful number, since it uses less digits than its factorization.

56813159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489.

The product of its digits is 32400, while the sum is 38.

The square root of 56813159 is about 7537.4504310145. The cubic root of 56813159 is about 384.4291511960.

The spelling of 56813159 in words is "fifty-six million, eight hundred thirteen thousand, one hundred fifty-nine".