57098898 has 16 divisors (see below), whose sum is σ = 126886560. Its totient is φ = 19032948.

The previous prime is 57098893. The next prime is 57098947. The reversal of 57098898 is 89889075.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1057387 = 57098898 / (5 + 7 + 0 + 9 + 8 + 8 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (57098891) 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, 528640 + ... + 528747.

It is an arithmetic number, because the mean of its divisors is an integer number (7930410).

Almost surely, 2^57098898 is an apocalyptic number.

57098898 is an abundant number, since it is smaller than the sum of its proper divisors (69787662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57098898 is a wasteful number, since it uses less digits than its factorization.

57098898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057398 (or 1057392 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The square root of 57098898 is about 7556.3812767753. The cubic root of 57098898 is about 385.0725629237.

The spelling of 57098898 in words is "fifty-seven million, ninety-eight thousand, eight hundred ninety-eight".