56976109 has 16 divisors (see below), whose sum is σ = 60341760. Its totient is φ = 53729280.

The previous prime is 56976103. The next prime is 56976149. The reversal of 56976109 is 90167965.

It is a cyclic number.

It is not a de Polignac number, because 56976109 - 2⁵ = 56976077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56976103) 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, 295117 + ... + 295309.

It is an arithmetic number, because the mean of its divisors is an integer number (3771360).

Almost surely, 2^56976109 is an apocalyptic number.

It is an amenable number.

56976109 is a deficient number, since it is larger than the sum of its proper divisors (3365651).

56976109 is a wasteful number, since it uses less digits than its factorization.

56976109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 56976109 is about 7548.2520493158. The cubic root of 56976109 is about 384.7963368766.

The spelling of 56976109 in words is "fifty-six million, nine hundred seventy-six thousand, one hundred nine".