57040263 has 36 divisors (see below), whose sum is σ = 96454488. Its totient is φ = 32387040.

The previous prime is 57040201. The next prime is 57040289. The reversal of 57040263 is 36204075.

It is a happy number.

It is not a de Polignac number, because 57040263 - 2⁹ = 57039751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57040363) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 92745 + ... + 93357.

Almost surely, 2^57040263 is an apocalyptic number.

57040263 is a deficient number, since it is larger than the sum of its proper divisors (39414225).

57040263 is a wasteful number, since it uses less digits than its factorization.

57040263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 57040263 is about 7552.5004468719. The cubic root of 57040263 is about 384.9407071224.

The spelling of 57040263 in words is "fifty-seven million, forty thousand, two hundred sixty-three".