56369779 has 4 divisors (see below), whose sum is σ = 57569184. Its totient is φ = 55170376.

The previous prime is 56369771. The next prime is 56369783. The reversal of 56369779 is 97796365.

56369779 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.

It is a cyclic number.

It is not a de Polignac number, because 56369779 - 2³ = 56369771 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (56369771) 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, 599632 + ... + 599725.

It is an arithmetic number, because the mean of its divisors is an integer number (14392296).

Almost surely, 2^56369779 is an apocalyptic number.

56369779 is a deficient number, since it is larger than the sum of its proper divisors (1199405).

56369779 is a wasteful number, since it uses less digits than its factorization.

56369779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199404.

The product of its digits is 2143260, while the sum is 52.

The square root of 56369779 is about 7507.9810202211. The cubic root of 56369779 is about 383.4264871697.

The spelling of 56369779 in words is "fifty-six million, three hundred sixty-nine thousand, seven hundred seventy-nine".