57251800 has 48 divisors (see below), whose sum is σ = 137714400. Its totient is φ = 22108800.

The previous prime is 57251797. The next prime is 57251809. The reversal of 57251800 is 815275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57251809) 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, 865 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (2869050).

Almost surely, 2^57251800 is an apocalyptic number.

57251800 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 57251800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68857200).

57251800 is an abundant number, since it is smaller than the sum of its proper divisors (80462600).

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

57251800 is a wasteful number, since it uses less digits than its factorization.

57251800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916 (or 9907 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 57251800 is about 7566.4919216239. The cubic root of 57251800 is about 385.4159781174.

The spelling of 57251800 in words is "fifty-seven million, two hundred fifty-one thousand, eight hundred".