56876929 has 4 divisors (see below), whose sum is σ = 57079620. Its totient is φ = 56674240.

The previous prime is 56876923. The next prime is 56876933. The reversal of 56876929 is 92967865.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29680704 + 27196225 = 5448^2 + 5215^2 .

It is a cyclic number.

It is not a de Polignac number, because 56876929 - 2³ = 56876921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56876921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100924 + ... + 101485.

It is an arithmetic number, because the mean of its divisors is an integer number (14269905).

Almost surely, 2^56876929 is an apocalyptic number.

It is an amenable number.

56876929 is a deficient number, since it is larger than the sum of its proper divisors (202691).

56876929 is a wasteful number, since it uses less digits than its factorization.

56876929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202690.

The product of its digits is 1632960, while the sum is 52.

The square root of 56876929 is about 7541.6794548695. The cubic root of 56876929 is about 384.5729317379.

The spelling of 56876929 in words is "fifty-six million, eight hundred seventy-six thousand, nine hundred twenty-nine".