57955855 has 8 divisors (see below), whose sum is σ = 69591312. Its totient is φ = 46335168.

The previous prime is 57955831. The next prime is 57955861. The reversal of 57955855 is 55855975.

It is a happy number.

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 57955855 - 2¹⁹ = 57431567 is a prime.

It is a super-2 number, since 2×57955855² = 6717762257562050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57955799 and 57955808.

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, 8779 + ... + 13891.

It is an arithmetic number, because the mean of its divisors is an integer number (8698914).

Almost surely, 2^57955855 is an apocalyptic number.

57955855 is a deficient number, since it is larger than the sum of its proper divisors (11635457).

57955855 is a wasteful number, since it uses less digits than its factorization.

57955855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385.

The product of its digits is 1575000, while the sum is 49.

The square root of 57955855 is about 7612.8742929330. The cubic root of 57955855 is about 386.9894323266.

The spelling of 57955855 in words is "fifty-seven million, nine hundred fifty-five thousand, eight hundred fifty-five".