57585261087 has 12 divisors (see below), whose sum is σ = 84948470880. Its totient is φ = 37573361568.

The previous prime is 57585261043. The next prime is 57585261109. The reversal of 57585261087 is 78016258575.

57585261087 is a `hidden beast` number, since 5 + 7 + 5 + 8 + 526 + 108 + 7 = 666.

It is not a de Polignac number, because 57585261087 - 2¹⁵ = 57585228319 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57585261787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68067262 + ... + 68068107.

It is an arithmetic number, because the mean of its divisors is an integer number (7079039240).

Almost surely, 2^57585261087 is an apocalyptic number.

57585261087 is a deficient number, since it is larger than the sum of its proper divisors (27363209793).

57585261087 is a wasteful number, since it uses less digits than its factorization.

57585261087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136135422 (or 136135419 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 57585261087 in words is "fifty-seven billion, five hundred eighty-five million, two hundred sixty-one thousand, eighty-seven".