57611087 has 2 divisors, whose sum is σ = 57611088. Its totient is φ = 57611086.

The previous prime is 57611069. The next prime is 57611101. The reversal of 57611087 is 78011675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57611087 - 2¹⁸ = 57348943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57611017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28805543 + 28805544.

It is an arithmetic number, because the mean of its divisors is an integer number (28805544).

Almost surely, 2^57611087 is an apocalyptic number.

57611087 is a deficient number, since it is larger than the sum of its proper divisors (1).

57611087 is an equidigital number, since it uses as much as digits as its factorization.

57611087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 57611087 is about 7590.1967695179. The cubic root of 57611087 is about 386.2205309119.

The spelling of 57611087 in words is "fifty-seven million, six hundred eleven thousand, eighty-seven".