57955567 has 8 divisors (see below), whose sum is σ = 64594800. Its totient is φ = 51675264.

The previous prime is 57955531. The next prime is 57955571. The reversal of 57955567 is 76555975.

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 57955567 - 2¹⁹ = 57431279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57955567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57955507) 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, 89392 + ... + 90037.

It is an arithmetic number, because the mean of its divisors is an integer number (8074350).

Almost surely, 2^57955567 is an apocalyptic number.

57955567 is a deficient number, since it is larger than the sum of its proper divisors (6639233).

57955567 is a wasteful number, since it uses less digits than its factorization.

57955567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179465.

The product of its digits is 1653750, while the sum is 49.

The square root of 57955567 is about 7612.8553775834. The cubic root of 57955567 is about 386.9887913034.

The spelling of 57955567 in words is "fifty-seven million, nine hundred fifty-five thousand, five hundred sixty-seven".