56255771 has 32 divisors (see below), whose sum is σ = 71160768. Its totient is φ = 43683840.

The previous prime is 56255729. The next prime is 56255777. The reversal of 56255771 is 17755265.

It is a cyclic number.

It is not a de Polignac number, because 56255771 - 2¹⁴ = 56239387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56255777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177305 + ... + 177621.

It is an arithmetic number, because the mean of its divisors is an integer number (2223774).

Almost surely, 2^56255771 is an apocalyptic number.

56255771 is a deficient number, since it is larger than the sum of its proper divisors (14904997).

56255771 is a wasteful number, since it uses less digits than its factorization.

56255771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431.

The product of its digits is 73500, while the sum is 38.

The square root of 56255771 is about 7500.3847234659. The cubic root of 56255771 is about 383.1678190723.

The spelling of 56255771 in words is "fifty-six million, two hundred fifty-five thousand, seven hundred seventy-one".