57205855 has 8 divisors (see below), whose sum is σ = 78453792. Its totient is φ = 39226848.

The previous prime is 57205849. The next prime is 57205871. The reversal of 57205855 is 55850275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57205855 - 2⁷ = 57205727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817192 + ... + 817261.

It is an arithmetic number, because the mean of its divisors is an integer number (9806724).

Almost surely, 2^57205855 is an apocalyptic number.

57205855 is a deficient number, since it is larger than the sum of its proper divisors (21247937).

57205855 is a wasteful number, since it uses less digits than its factorization.

57205855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634465.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 57205855 is about 7563.4552289281. The cubic root of 57205855 is about 385.3128507855.

The spelling of 57205855 in words is "fifty-seven million, two hundred five thousand, eight hundred fifty-five".