56923779 has 16 divisors (see below), whose sum is σ = 82932480. Its totient is φ = 34443360.

The previous prime is 56923759. The next prime is 56923799. The reversal of 56923779 is 97732965.

It is an interprime number because it is at equal distance from previous prime (56923759) and next prime (56923799).

It is not a de Polignac number, because 56923779 - 2⁷ = 56923651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56923709) 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, 29389 + ... + 31265.

It is an arithmetic number, because the mean of its divisors is an integer number (5183280).

Almost surely, 2^56923779 is an apocalyptic number.

56923779 is a deficient number, since it is larger than the sum of its proper divisors (26008701).

56923779 is a wasteful number, since it uses less digits than its factorization.

56923779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810.

The product of its digits is 714420, while the sum is 48.

The square root of 56923779 is about 7544.7848875896. The cubic root of 56923779 is about 384.6784947342.

The spelling of 56923779 in words is "fifty-six million, nine hundred twenty-three thousand, seven hundred seventy-nine".