56440603 has 2 divisors, whose sum is σ = 56440604. Its totient is φ = 56440602.

The previous prime is 56440547. The next prime is 56440619. The reversal of 56440603 is 30604465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56440603 - 2¹⁷ = 56309531 is a prime.

It is not a weakly prime, because it can be changed into another prime (56440633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220301 + 28220302.

It is an arithmetic number, because the mean of its divisors is an integer number (28220302).

Almost surely, 2^56440603 is an apocalyptic number.

56440603 is a deficient number, since it is larger than the sum of its proper divisors (1).

56440603 is an equidigital number, since it uses as much as digits as its factorization.

56440603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 56440603 is about 7512.6961205682. The cubic root of 56440603 is about 383.5870012663.

The spelling of 56440603 in words is "fifty-six million, four hundred forty thousand, six hundred three".