56043251 has 4 divisors (see below), whose sum is σ = 61138104. Its totient is φ = 50948400.

The previous prime is 56043209. The next prime is 56043259. The reversal of 56043251 is 15234065.

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

It is a cyclic number.

It is not a de Polignac number, because 56043251 - 2¹⁰ = 56042227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56043251.

It is not an unprimeable number, because it can be changed into a prime (56043259) 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, 2547410 + ... + 2547431.

It is an arithmetic number, because the mean of its divisors is an integer number (15284526).

Almost surely, 2^56043251 is an apocalyptic number.

56043251 is a deficient number, since it is larger than the sum of its proper divisors (5094853).

56043251 is a wasteful number, since it uses less digits than its factorization.

56043251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5094852.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 56043251 is about 7486.2040447746. The cubic root of 56043251 is about 382.6847066683.

The spelling of 56043251 in words is "fifty-six million, forty-three thousand, two hundred fifty-one".