57723400 has 48 divisors (see below), whose sum is σ = 153383040. Its totient is φ = 19790400.

The previous prime is 57723389. The next prime is 57723401. The reversal of 57723400 is 432775.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (57723401) 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, 19216 + ... + 22015.

It is an arithmetic number, because the mean of its divisors is an integer number (3195480).

Almost surely, 2^57723400 is an apocalyptic number.

57723400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57723400 is an abundant number, since it is smaller than the sum of its proper divisors (95659640).

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

57723400 is a wasteful number, since it uses less digits than its factorization.

57723400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41254 (or 41245 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 57723400 is about 7597.5917236977. The cubic root of 57723400 is about 386.4713473837.

The spelling of 57723400 in words is "fifty-seven million, seven hundred twenty-three thousand, four hundred".