57504993 has 32 divisors (see below), whose sum is σ = 96934656. Its totient is φ = 29507328.

The previous prime is 57504983. The next prime is 57505009. The reversal of 57504993 is 39940575.

It is not a de Polignac number, because 57504993 - 2⁸ = 57504737 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (57504913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7255 + ... + 12947.

It is an arithmetic number, because the mean of its divisors is an integer number (3029208).

Almost surely, 2^57504993 is an apocalyptic number.

It is an amenable number.

57504993 is a deficient number, since it is larger than the sum of its proper divisors (39429663).

57504993 is a wasteful number, since it uses less digits than its factorization.

57504993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 57504993 is about 7583.2046655751. The cubic root of 57504993 is about 385.9833030801.

The spelling of 57504993 in words is "fifty-seven million, five hundred four thousand, nine hundred ninety-three".