57655 has 8 divisors (see below), whose sum is σ = 74592. Its totient is φ = 42528.

The previous prime is 57653. The next prime is 57667. The reversal of 57655 is 55675.

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 57655 - 2¹ = 57653 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 508.

It is an arithmetic number, because the mean of its divisors is an integer number (9324).

2⁵⁷⁶⁵⁵ is an apocalyptic number.

57655 is a deficient number, since it is larger than the sum of its proper divisors (16937).

57655 is a wasteful number, since it uses less digits than its factorization.

57655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its digits is 5250, while the sum is 28.

The square root of 57655 is about 240.1145559936. The cubic root of 57655 is about 38.6318635841.

The spelling of 57655 in words is "fifty-seven thousand, six hundred fifty-five".