56403653 has 2 divisors, whose sum is σ = 56403654. Its totient is φ = 56403652.

The previous prime is 56403649. The next prime is 56403667. The reversal of 56403653 is 35630465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51811204 + 4592449 = 7198^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 56403653 - 2² = 56403649 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56403623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28201826 + 28201827.

It is an arithmetic number, because the mean of its divisors is an integer number (28201827).

Almost surely, 2^56403653 is an apocalyptic number.

It is an amenable number.

56403653 is a deficient number, since it is larger than the sum of its proper divisors (1).

56403653 is an equidigital number, since it uses as much as digits as its factorization.

56403653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 56403653 is about 7510.2365475396. The cubic root of 56403653 is about 383.5032752897.

The spelling of 56403653 in words is "fifty-six million, four hundred three thousand, six hundred fifty-three".