57275940 has 24 divisors (see below), whose sum is σ = 160372800. Its totient is φ = 15273568.

The previous prime is 57275929. The next prime is 57275947. The reversal of 57275940 is 4957275.

It is not an unprimeable number, because it can be changed into a prime (57275947) 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, 477240 + ... + 477359.

It is an arithmetic number, because the mean of its divisors is an integer number (6682200).

Almost surely, 2^57275940 is an apocalyptic number.

It is an amenable number.

57275940 is an abundant number, since it is smaller than the sum of its proper divisors (103096860).

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

57275940 is a wasteful number, since it uses less digits than its factorization.

57275940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954611 (or 954609 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 57275940 is about 7568.0869445323. The cubic root of 57275940 is about 385.4701402245.

The spelling of 57275940 in words is "fifty-seven million, two hundred seventy-five thousand, nine hundred forty".