57006855 has 32 divisors (see below), whose sum is σ = 101949120. Its totient is φ = 30222720.

The previous prime is 57006847. The next prime is 57006881. The reversal of 57006855 is 55860075.

57006855 is a `hidden beast` number, since 570 + 0 + 6 + 85 + 5 = 666.

It is not a de Polignac number, because 57006855 - 2³ = 57006847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23269 + ... + 25601.

It is an arithmetic number, because the mean of its divisors is an integer number (3185910).

Almost surely, 2^57006855 is an apocalyptic number.

57006855 is a deficient number, since it is larger than the sum of its proper divisors (44942265).

57006855 is a wasteful number, since it uses less digits than its factorization.

57006855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 57006855 is about 7550.2884050876. The cubic root of 57006855 is about 384.8655402726.

The spelling of 57006855 in words is "fifty-seven million, six thousand, eight hundred fifty-five".