56417503 has 2 divisors, whose sum is σ = 56417504. Its totient is φ = 56417502.

The previous prime is 56417483. The next prime is 56417573. The reversal of 56417503 is 30571465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56417503 - 2²¹ = 54320351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56417573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28208751 + 28208752.

It is an arithmetic number, because the mean of its divisors is an integer number (28208752).

Almost surely, 2^56417503 is an apocalyptic number.

56417503 is a deficient number, since it is larger than the sum of its proper divisors (1).

56417503 is an equidigital number, since it uses as much as digits as its factorization.

56417503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56417503 is about 7511.1585657607. The cubic root of 56417503 is about 383.5346626519.

Adding to 56417503 its reverse (30571465), we get a palindrome (86988968).

The spelling of 56417503 in words is "fifty-six million, four hundred seventeen thousand, five hundred three".