56727157 has 2 divisors, whose sum is σ = 56727158. Its totient is φ = 56727156.

The previous prime is 56727127. The next prime is 56727199. The reversal of 56727157 is 75172765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41873841 + 14853316 = 6471^2 + 3854^2 .

It is a cyclic number.

It is not a de Polignac number, because 56727157 - 2¹⁵ = 56694389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56727127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28363578 + 28363579.

It is an arithmetic number, because the mean of its divisors is an integer number (28363579).

Almost surely, 2^56727157 is an apocalyptic number.

It is an amenable number.

56727157 is a deficient number, since it is larger than the sum of its proper divisors (1).

56727157 is an equidigital number, since it uses as much as digits as its factorization.

56727157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102900, while the sum is 40.

The square root of 56727157 is about 7531.7432908989. The cubic root of 56727157 is about 384.2350742540.

The spelling of 56727157 in words is "fifty-six million, seven hundred twenty-seven thousand, one hundred fifty-seven".