56576503 has 2 divisors, whose sum is σ = 56576504. Its totient is φ = 56576502.

The previous prime is 56576497. The next prime is 56576521. The reversal of 56576503 is 30567565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56576503 - 2²¹ = 54479351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56576603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28288251 + 28288252.

It is an arithmetic number, because the mean of its divisors is an integer number (28288252).

Almost surely, 2^56576503 is an apocalyptic number.

56576503 is a deficient number, since it is larger than the sum of its proper divisors (1).

56576503 is an equidigital number, since it uses as much as digits as its factorization.

56576503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 56576503 is about 7521.7353715748. The cubic root of 56576503 is about 383.8946266681.

The spelling of 56576503 in words is "fifty-six million, five hundred seventy-six thousand, five hundred three".