57294405 has 64 divisors (see below), whose sum is σ = 122572800. Its totient is φ = 24805440.

The previous prime is 57294397. The next prime is 57294407. The reversal of 57294405 is 50449275.

It is not a de Polignac number, because 57294405 - 2³ = 57294397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57294405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57294407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16360 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^57294405 is an apocalyptic number.

It is an amenable number.

57294405 is an abundant number, since it is smaller than the sum of its proper divisors (65278395).

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

57294405 is a wasteful number, since it uses less digits than its factorization.

57294405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 57294405 is about 7569.3067714289. The cubic root of 57294405 is about 385.5115592531.

The spelling of 57294405 in words is "fifty-seven million, two hundred ninety-four thousand, four hundred five".