57228679 has 2 divisors, whose sum is σ = 57228680. Its totient is φ = 57228678.

The previous prime is 57228673. The next prime is 57228701. The reversal of 57228679 is 97682275.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57228679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57228673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28614339 + 28614340.

It is an arithmetic number, because the mean of its divisors is an integer number (28614340).

Almost surely, 2^57228679 is an apocalyptic number.

57228679 is a deficient number, since it is larger than the sum of its proper divisors (1).

57228679 is an equidigital number, since it uses as much as digits as its factorization.

57228679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 46.

The square root of 57228679 is about 7564.9639126700. The cubic root of 57228679 is about 385.3640880302.

The spelling of 57228679 in words is "fifty-seven million, two hundred twenty-eight thousand, six hundred seventy-nine".