56013155979 has 16 divisors (see below), whose sum is σ = 85761770880. Its totient is φ = 32160663360.

The previous prime is 56013155953. The next prime is 56013156013. The reversal of 56013155979 is 97955131065.

56013155979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56013155979 - 2⁷ = 56013155851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56013155579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44666962 + ... + 44668215.

It is an arithmetic number, because the mean of its divisors is an integer number (5360110680).

Almost surely, 2^56013155979 is an apocalyptic number.

56013155979 is a deficient number, since it is larger than the sum of its proper divisors (29748614901).

56013155979 is a wasteful number, since it uses less digits than its factorization.

56013155979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89335210.

The product of its (nonzero) digits is 1275750, while the sum is 51.

The spelling of 56013155979 in words is "fifty-six billion, thirteen million, one hundred fifty-five thousand, nine hundred seventy-nine".