56603507 has 2 divisors, whose sum is σ = 56603508. Its totient is φ = 56603506.

The previous prime is 56603497. The next prime is 56603509. The reversal of 56603507 is 70530665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56603507 is a prime.

Together with 56603509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56603509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28301753 + 28301754.

It is an arithmetic number, because the mean of its divisors is an integer number (28301754).

Almost surely, 2^56603507 is an apocalyptic number.

56603507 is a deficient number, since it is larger than the sum of its proper divisors (1).

56603507 is an equidigital number, since it uses as much as digits as its factorization.

56603507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 56603507 is about 7523.5302219105. The cubic root of 56603507 is about 383.9556946677.

The spelling of 56603507 in words is "fifty-six million, six hundred three thousand, five hundred seven".