57238100 has 36 divisors (see below), whose sum is σ = 126075264. Its totient is φ = 22550880.

The previous prime is 57238087. The next prime is 57238109. The reversal of 57238100 is 183275.

It is a super-2 number, since 2×57238100² = 6552400183220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57238100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57238109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2429 + ... + 10971.

Almost surely, 2^57238100 is an apocalyptic number.

57238100 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 57238100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63037632).

57238100 is an abundant number, since it is smaller than the sum of its proper divisors (68837164).

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

57238100 is a wasteful number, since it uses less digits than its factorization.

57238100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8624 (or 8617 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 57238100 is about 7565.5865602080. The cubic root of 57238100 is about 385.3852331154.

The spelling of 57238100 in words is "fifty-seven million, two hundred thirty-eight thousand, one hundred".