57100986 has 12 divisors (see below), whose sum is σ = 123718842. Its totient is φ = 19033656.

The previous prime is 57100949. The next prime is 57100991. The reversal of 57100986 is 68900175.

57100986 is a `hidden beast` number, since 571 + 0 + 0 + 9 + 86 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38825361 + 18275625 = 6231^2 + 4275^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57100986.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1586121 + ... + 1586156.

Almost surely, 2^57100986 is an apocalyptic number.

57100986 is an abundant number, since it is smaller than the sum of its proper divisors (66617856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57100986 is a wasteful number, since it uses less digits than its factorization.

57100986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172285 (or 3172282 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 57100986 is about 7556.5194368836. The cubic root of 57100986 is about 385.0772566612.

The spelling of 57100986 in words is "fifty-seven million, one hundred thousand, nine hundred eighty-six".