56830251 has 4 divisors (see below), whose sum is σ = 75773672. Its totient is φ = 37886832.

The previous prime is 56830247. The next prime is 56830253. The reversal of 56830251 is 15203865.

56830251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56830251 - 2² = 56830247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56830253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9471706 + ... + 9471711.

It is an arithmetic number, because the mean of its divisors is an integer number (18943418).

Almost surely, 2^56830251 is an apocalyptic number.

56830251 is a deficient number, since it is larger than the sum of its proper divisors (18943421).

56830251 is a wasteful number, since it uses less digits than its factorization.

56830251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18943420.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 56830251 is about 7538.5841508867. The cubic root of 56830251 is about 384.4676986285.

The spelling of 56830251 in words is "fifty-six million, eight hundred thirty thousand, two hundred fifty-one".