57040492 has 24 divisors (see below), whose sum is σ = 102009600. Its totient is φ = 27899856.

The previous prime is 57040481. The next prime is 57040499. The reversal of 57040492 is 29404075.

It is not an unprimeable number, because it can be changed into a prime (57040499) 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, 61609 + ... + 62527.

It is an arithmetic number, because the mean of its divisors is an integer number (4250400).

Almost surely, 2^57040492 is an apocalyptic number.

It is an amenable number.

57040492 is a deficient number, since it is larger than the sum of its proper divisors (44969108).

57040492 is a wasteful number, since it uses less digits than its factorization.

57040492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).

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

The square root of 57040492 is about 7552.5156073986. The cubic root of 57040492 is about 384.9412222632.

The spelling of 57040492 in words is "fifty-seven million, forty thousand, four hundred ninety-two".