57235400 has 48 divisors (see below), whose sum is σ = 133585200. Its totient is φ = 22806080.

The previous prime is 57235363. The next prime is 57235427. The reversal of 57235400 is 453275.

It is a self number, because there is not a number n which added to its sum of digits gives 57235400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83459 + ... + 84141.

It is an arithmetic number, because the mean of its divisors is an integer number (2783025).

Almost surely, 2^57235400 is an apocalyptic number.

57235400 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 57235400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66792600).

57235400 is an abundant number, since it is smaller than the sum of its proper divisors (76349800).

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

57235400 is a wasteful number, since it uses less digits than its factorization.

57235400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 57235400 is about 7565.4081185353. The cubic root of 57235400 is about 385.3791733027.

Adding to 57235400 its reverse (453275), we get a palindrome (57688675).

The spelling of 57235400 in words is "fifty-seven million, two hundred thirty-five thousand, four hundred".