57130200 has 144 divisors (see below), whose sum is σ = 203257080. Its totient is φ = 14330880.

The previous prime is 57130181. The next prime is 57130219. The reversal of 57130200 is 203175.

It is an interprime number because it is at equal distance from previous prime (57130181) and next prime (57130219).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29667 + ... + 31533.

Almost surely, 2^57130200 is an apocalyptic number.

57130200 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 57130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101628540).

57130200 is an abundant number, since it is smaller than the sum of its proper divisors (146126880).

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

57130200 is a wasteful number, since it uses less digits than its factorization.

57130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906 (or 1894 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 57130200 is about 7558.4522225122. The cubic root of 57130200 is about 385.1429165257.

Adding to 57130200 its reverse (203175), we get a palindrome (57333375).

Subtracting from 57130200 its reverse (203175), we obtain a square (56927025 = 7545²).

The spelling of 57130200 in words is "fifty-seven million, one hundred thirty thousand, two hundred".