56305651 has 2 divisors, whose sum is σ = 56305652. Its totient is φ = 56305650.

The previous prime is 56305643. The next prime is 56305693. The reversal of 56305651 is 15650365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56305651 - 2³ = 56305643 is a prime.

It is not a weakly prime, because it can be changed into another prime (56305621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28152825 + 28152826.

It is an arithmetic number, because the mean of its divisors is an integer number (28152826).

Almost surely, 2^56305651 is an apocalyptic number.

56305651 is a deficient number, since it is larger than the sum of its proper divisors (1).

56305651 is an equidigital number, since it uses as much as digits as its factorization.

56305651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 56305651 is about 7503.7091494807. The cubic root of 56305651 is about 383.2810327302.

The spelling of 56305651 in words is "fifty-six million, three hundred five thousand, six hundred fifty-one".