56159777 has 4 divisors (see below), whose sum is σ = 56329776. Its totient is φ = 55989780.

The previous prime is 56159771. The next prime is 56159797. The reversal of 56159777 is 77795165.

56159777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56159777 - 2²⁰ = 55111201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56159771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84503 + ... + 85164.

It is an arithmetic number, because the mean of its divisors is an integer number (14082444).

Almost surely, 2^56159777 is an apocalyptic number.

It is an amenable number.

56159777 is a deficient number, since it is larger than the sum of its proper divisors (169999).

56159777 is a wasteful number, since it uses less digits than its factorization.

56159777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169998.

The product of its digits is 463050, while the sum is 47.

The square root of 56159777 is about 7493.9827194890. The cubic root of 56159777 is about 382.9497510583.

The spelling of 56159777 in words is "fifty-six million, one hundred fifty-nine thousand, seven hundred seventy-seven".