57503 has 2 divisors, whose sum is σ = 57504. Its totient is φ = 57502.

The previous prime is 57493. The next prime is 57527. The reversal of 57503 is 30575.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57503 - 2⁴ = 57487 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28751 + 28752.

It is an arithmetic number, because the mean of its divisors is an integer number (28752).

2⁵⁷⁵⁰³ is an apocalyptic number.

57503 is a deficient number, since it is larger than the sum of its proper divisors (1).

57503 is an equidigital number, since it uses as much as digits as its factorization.

57503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 57503 is about 239.7978315165. The cubic root of 57503 is about 38.5978843910.

The spelling of 57503 in words is "fifty-seven thousand, five hundred three".