57159898 has 8 divisors (see below), whose sum is σ = 86096340. Its totient is φ = 28461120.

The previous prime is 57159887. The next prime is 57159901. The reversal of 57159898 is 89895175.

It can be written as a sum of positive squares in 2 ways, for example, as 53538489 + 3621409 = 7317^2 + 1903^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58813 + ... + 59776.

Almost surely, 2^57159898 is an apocalyptic number.

57159898 is a deficient number, since it is larger than the sum of its proper divisors (28936442).

57159898 is a wasteful number, since it uses less digits than its factorization.

57159898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118832.

The product of its digits is 907200, while the sum is 52.

The square root of 57159898 is about 7560.4165229172. The cubic root of 57159898 is about 385.2096412642.

The spelling of 57159898 in words is "fifty-seven million, one hundred fifty-nine thousand, eight hundred ninety-eight".