57210198 has 16 divisors (see below), whose sum is σ = 115322880. Its totient is φ = 18919656.

The previous prime is 57210193. The next prime is 57210199. The reversal of 57210198 is 89101275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57210191) 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, 36778 + ... + 38301.

It is an arithmetic number, because the mean of its divisors is an integer number (7207680).

Almost surely, 2^57210198 is an apocalyptic number.

57210198 is an abundant number, since it is smaller than the sum of its proper divisors (58112682).

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

57210198 is a wasteful number, since it uses less digits than its factorization.

57210198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75211.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 57210198 is about 7563.7423277105. The cubic root of 57210198 is about 385.3226013688.

The spelling of 57210198 in words is "fifty-seven million, two hundred ten thousand, one hundred ninety-eight".