57228701 has 2 divisors, whose sum is σ = 57228702. Its totient is φ = 57228700.

The previous prime is 57228679. The next prime is 57228707. The reversal of 57228701 is 10782275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48288601 + 8940100 = 6949^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 57228701 - 2⁶ = 57228637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57228707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28614350 + 28614351.

It is an arithmetic number, because the mean of its divisors is an integer number (28614351).

Almost surely, 2^57228701 is an apocalyptic number.

It is an amenable number.

57228701 is a deficient number, since it is larger than the sum of its proper divisors (1).

57228701 is an equidigital number, since it uses as much as digits as its factorization.

57228701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 57228701 is about 7564.9653667416. The cubic root of 57228701 is about 385.3641374111.

The spelling of 57228701 in words is "fifty-seven million, two hundred twenty-eight thousand, seven hundred one".