57252198 has 16 divisors (see below), whose sum is σ = 119483136. Its totient is φ = 18254280.

The previous prime is 57252193. The next prime is 57252203. The reversal of 57252198 is 89125275.

It is an interprime number because it is at equal distance from previous prime (57252193) and next prime (57252203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57252191) 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, 207298 + ... + 207573.

It is an arithmetic number, because the mean of its divisors is an integer number (7467696).

Almost surely, 2^57252198 is an apocalyptic number.

57252198 is an abundant number, since it is smaller than the sum of its proper divisors (62230938).

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

57252198 is a wasteful number, since it uses less digits than its factorization.

57252198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414899.

The product of its digits is 50400, while the sum is 39.

The square root of 57252198 is about 7566.5182217451. The cubic root of 57252198 is about 385.4168712201.

The spelling of 57252198 in words is "fifty-seven million, two hundred fifty-two thousand, one hundred ninety-eight".