56204157 has 16 divisors (see below), whose sum is σ = 78560640. Its totient is φ = 35673792.

The previous prime is 56204149. The next prime is 56204179. The reversal of 56204157 is 75140265.

It is not a de Polignac number, because 56204157 - 2³ = 56204149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56204107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14023 + ... + 17579.

It is an arithmetic number, because the mean of its divisors is an integer number (4910040).

Almost surely, 2^56204157 is an apocalyptic number.

It is an amenable number.

56204157 is a deficient number, since it is larger than the sum of its proper divisors (22356483).

56204157 is a wasteful number, since it uses less digits than its factorization.

56204157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 56204157 is about 7496.9431770556. The cubic root of 56204157 is about 383.0505992454.

The spelling of 56204157 in words is "fifty-six million, two hundred four thousand, one hundred fifty-seven".