57504263 has 4 divisors (see below), whose sum is σ = 58906848. Its totient is φ = 56101680.

The previous prime is 57504247. The next prime is 57504269. The reversal of 57504263 is 36240575.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57504263 - 2⁴ = 57504247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57504269) 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, 701231 + ... + 701312.

It is an arithmetic number, because the mean of its divisors is an integer number (14726712).

Almost surely, 2^57504263 is an apocalyptic number.

57504263 is a deficient number, since it is larger than the sum of its proper divisors (1402585).

57504263 is a wasteful number, since it uses less digits than its factorization.

57504263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402584.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 57504263 is about 7583.1565327375. The cubic root of 57504263 is about 385.9816697784.

The spelling of 57504263 in words is "fifty-seven million, five hundred four thousand, two hundred sixty-three".