57098857 has 16 divisors (see below), whose sum is σ = 63135360. Its totient is φ = 51397632.

The previous prime is 57098849. The next prime is 57098863. The reversal of 57098857 is 75889075.

57098857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 57098857 - 2³ = 57098849 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 57098857.

It is not an unprimeable number, because it can be changed into a prime (57098827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84003 + ... + 84679.

It is an arithmetic number, because the mean of its divisors is an integer number (3945960).

Almost surely, 2^57098857 is an apocalyptic number.

It is an amenable number.

57098857 is a deficient number, since it is larger than the sum of its proper divisors (6036503).

57098857 is a wasteful number, since it uses less digits than its factorization.

57098857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 57098857 is about 7556.3785638360. The cubic root of 57098857 is about 385.0724707563.

The spelling of 57098857 in words is "fifty-seven million, ninety-eight thousand, eight hundred fifty-seven".