57451200 has 84 divisors (see below), whose sum is σ = 188503560. Its totient is φ = 15319040.

The previous prime is 57451183. The next prime is 57451201. The reversal of 57451200 is 215475.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (57451201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (2244090).

Almost surely, 2^57451200 is an apocalyptic number.

57451200 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 57451200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94251780).

57451200 is an abundant number, since it is smaller than the sum of its proper divisors (131052360).

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

57451200 is a wasteful number, since it uses less digits than its factorization.

57451200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994 (or 11979 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 57451200 is about 7579.6569843232. The cubic root of 57451200 is about 385.8629096069.

Adding to 57451200 its reverse (215475), we get a palindrome (57666675).

The spelling of 57451200 in words is "fifty-seven million, four hundred fifty-one thousand, two hundred".