56236603 has 2 divisors, whose sum is σ = 56236604. Its totient is φ = 56236602.

The previous prime is 56236601. The next prime is 56236639. The reversal of 56236603 is 30663265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56236603 - 2¹ = 56236601 is a prime.

Together with 56236601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56236601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28118301 + 28118302.

It is an arithmetic number, because the mean of its divisors is an integer number (28118302).

Almost surely, 2^56236603 is an apocalyptic number.

56236603 is a deficient number, since it is larger than the sum of its proper divisors (1).

56236603 is an equidigital number, since it uses as much as digits as its factorization.

56236603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 56236603 is about 7499.1068134812. The cubic root of 56236603 is about 383.1242952705.

Adding to 56236603 its reverse (30663265), we get a palindrome (86899868).

The spelling of 56236603 in words is "fifty-six million, two hundred thirty-six thousand, six hundred three".