56163779 has 8 divisors (see below), whose sum is σ = 64292448. Its totient is φ = 48061440.

The previous prime is 56163763. The next prime is 56163797. The reversal of 56163779 is 97736165.

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

It is not a de Polignac number, because 56163779 - 2⁴ = 56163763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56163739) 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, 1772 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (8036556).

Almost surely, 2^56163779 is an apocalyptic number.

56163779 is a deficient number, since it is larger than the sum of its proper divisors (8128669).

56163779 is a wasteful number, since it uses less digits than its factorization.

56163779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13165.

The product of its digits is 238140, while the sum is 44.

The square root of 56163779 is about 7494.2497289589. The cubic root of 56163779 is about 382.9588472987.

The spelling of 56163779 in words is "fifty-six million, one hundred sixty-three thousand, seven hundred seventy-nine".