57133460 has 12 divisors (see below), whose sum is σ = 119980308. Its totient is φ = 22853376.

The previous prime is 57133441. The next prime is 57133463. The reversal of 57133460 is 6433175.

It can be written as a sum of positive squares in 2 ways, for example, as 14961424 + 42172036 = 3868^2 + 6494^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57133463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428317 + ... + 1428356.

It is an arithmetic number, because the mean of its divisors is an integer number (9998359).

Almost surely, 2^57133460 is an apocalyptic number.

It is an amenable number.

57133460 is an abundant number, since it is smaller than the sum of its proper divisors (62846848).

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

57133460 is a wasteful number, since it uses less digits than its factorization.

57133460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856682 (or 2856680 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 57133460 is about 7558.6678720526. The cubic root of 57133460 is about 385.1502421434.

The spelling of 57133460 in words is "fifty-seven million, one hundred thirty-three thousand, four hundred sixty".