57098900 has 72 divisors (see below), whose sum is σ = 129825024. Its totient is φ = 21772800.

The previous prime is 57098893. The next prime is 57098947. The reversal of 57098900 is 989075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350219 + ... + 350381.

Almost surely, 2^57098900 is an apocalyptic number.

57098900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57098900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64912512).

57098900 is an abundant number, since it is smaller than the sum of its proper divisors (72726124).

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

57098900 is a wasteful number, since it uses less digits than its factorization.

57098900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 57098900 is about 7556.3814091138. The cubic root of 57098900 is about 385.0725674197.

The spelling of 57098900 in words is "fifty-seven million, ninety-eight thousand, nine hundred".