57098 has 4 divisors (see below), whose sum is σ = 85650. Its totient is φ = 28548.

The previous prime is 57097. The next prime is 57107. The reversal of 57098 is 89075.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54289 + 2809 = 233^2 + 53^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57098.

It is not an unprimeable number, because it can be changed into a prime (57097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14273 + ... + 14276.

2⁵⁷⁰⁹⁸ is an apocalyptic number.

57098 is a deficient number, since it is larger than the sum of its proper divisors (28552).

57098 is a wasteful number, since it uses less digits than its factorization.

57098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28551.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 57098 is about 238.9518780006. The cubic root of 57098 is about 38.5070544222.

The spelling of 57098 in words is "fifty-seven thousand, ninety-eight".