57261460 has 24 divisors (see below), whose sum is σ = 120516480. Its totient is φ = 22853664.

The previous prime is 57261437. The next prime is 57261469. The reversal of 57261460 is 6416275.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57261469) 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, 6801 + ... + 12679.

It is an arithmetic number, because the mean of its divisors is an integer number (5021520).

Almost surely, 2^57261460 is an apocalyptic number.

It is an amenable number.

57261460 is an abundant number, since it is smaller than the sum of its proper divisors (63255020).

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

57261460 is a wasteful number, since it uses less digits than its factorization.

57261460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375 (or 6373 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 57261460 is about 7567.1302354327. The cubic root of 57261460 is about 385.4376537618.

The spelling of 57261460 in words is "fifty-seven million, two hundred sixty-one thousand, four hundred sixty".