56444157 has 48 divisors (see below), whose sum is σ = 103034880. Its totient is φ = 28922400.

The previous prime is 56444057. The next prime is 56444173. The reversal of 56444157 is 75144465.

56444157 is a `hidden beast` number, since 5 + 644 + 4 + 1 + 5 + 7 = 666.

It is not a de Polignac number, because 56444157 - 2²⁰ = 55395581 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56444177) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54232 + ... + 55262.

It is an arithmetic number, because the mean of its divisors is an integer number (2146560).

Almost surely, 2^56444157 is an apocalyptic number.

It is an amenable number.

56444157 is a deficient number, since it is larger than the sum of its proper divisors (46590723).

56444157 is a wasteful number, since it uses less digits than its factorization.

56444157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 56444157 is about 7512.9326497713. The cubic root of 56444157 is about 383.5950524417.

It can be divided in two parts, 5644 and 4157, that added together give a square (9801 = 99²).

The spelling of 56444157 in words is "fifty-six million, four hundred forty-four thousand, one hundred fifty-seven".