56291051 has 4 divisors (see below), whose sum is σ = 58738512. Its totient is φ = 53843592.

The previous prime is 56291047. The next prime is 56291057. The reversal of 56291051 is 15019265.

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 56291051 - 2² = 56291047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56291057) 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, 1223696 + ... + 1223741.

It is an arithmetic number, because the mean of its divisors is an integer number (14684628).

Almost surely, 2^56291051 is an apocalyptic number.

56291051 is a deficient number, since it is larger than the sum of its proper divisors (2447461).

56291051 is a wasteful number, since it uses less digits than its factorization.

56291051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447460.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 56291051 is about 7502.7362342015. The cubic root of 56291051 is about 383.2479017346.

The spelling of 56291051 in words is "fifty-six million, two hundred ninety-one thousand, fifty-one".