57403900 has 36 divisors (see below), whose sum is σ = 131897808. Its totient is φ = 21610240.

The previous prime is 57403891. The next prime is 57403901. The reversal of 57403900 is 930475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57403901) 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, 15184 + ... + 18583.

It is an arithmetic number, because the mean of its divisors is an integer number (3663828).

Almost surely, 2^57403900 is an apocalyptic number.

57403900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57403900 is an abundant number, since it is smaller than the sum of its proper divisors (74493908).

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

57403900 is a wasteful number, since it uses less digits than its factorization.

57403900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33798 (or 33791 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 57403900 is about 7576.5361478713. The cubic root of 57403900 is about 385.7569859318.

The spelling of 57403900 in words is "fifty-seven million, four hundred three thousand, nine hundred".