57354140 has 24 divisors (see below), whose sum is σ = 121573872. Its totient is φ = 22726400.

The previous prime is 57354139. The next prime is 57354149. The reversal of 57354140 is 4145375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57354149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11261 + ... + 15540.

It is an arithmetic number, because the mean of its divisors is an integer number (5065578).

Almost surely, 2^57354140 is an apocalyptic number.

It is an amenable number.

57354140 is an abundant number, since it is smaller than the sum of its proper divisors (64219732).

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

57354140 is a wasteful number, since it uses less digits than its factorization.

57354140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26917 (or 26915 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 57354140 is about 7573.2516134089. The cubic root of 57354140 is about 385.6454905067.

The spelling of 57354140 in words is "fifty-seven million, three hundred fifty-four thousand, one hundred forty".