57355687 has 2 divisors, whose sum is σ = 57355688. Its totient is φ = 57355686.

The previous prime is 57355681. The next prime is 57355723. The reversal of 57355687 is 78655375.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57355687 - 2¹⁵ = 57322919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57355681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28677843 + 28677844.

It is an arithmetic number, because the mean of its divisors is an integer number (28677844).

Almost surely, 2^57355687 is an apocalyptic number.

57355687 is a deficient number, since it is larger than the sum of its proper divisors (1).

57355687 is an equidigital number, since it uses as much as digits as its factorization.

57355687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882000, while the sum is 46.

The square root of 57355687 is about 7573.3537485053. The cubic root of 57355687 is about 385.6489577845.

The spelling of 57355687 in words is "fifty-seven million, three hundred fifty-five thousand, six hundred eighty-seven".