56890929 has 4 divisors (see below), whose sum is σ = 75854576. Its totient is φ = 37927284.

The previous prime is 56890879. The next prime is 56890943. The reversal of 56890929 is 92909865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56890929 - 2²⁵ = 23336497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56890949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9481819 + ... + 9481824.

It is an arithmetic number, because the mean of its divisors is an integer number (18963644).

Almost surely, 2^56890929 is an apocalyptic number.

It is an amenable number.

56890929 is a deficient number, since it is larger than the sum of its proper divisors (18963647).

56890929 is a wasteful number, since it uses less digits than its factorization.

56890929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18963646.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 56890929 is about 7542.6075729816. The cubic root of 56890929 is about 384.6044827812.

The spelling of 56890929 in words is "fifty-six million, eight hundred ninety thousand, nine hundred twenty-nine".