56446451 has 2 divisors, whose sum is σ = 56446452. Its totient is φ = 56446450.

The previous prime is 56446433. The next prime is 56446493. The reversal of 56446451 is 15464465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56446451 - 2⁶ = 56446387 is a prime.

It is not a weakly prime, because it can be changed into another prime (56448451) 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, 28223225 + 28223226.

It is an arithmetic number, because the mean of its divisors is an integer number (28223226).

Almost surely, 2^56446451 is an apocalyptic number.

56446451 is a deficient number, since it is larger than the sum of its proper divisors (1).

56446451 is an equidigital number, since it uses as much as digits as its factorization.

56446451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The square root of 56446451 is about 7513.0853182963. The cubic root of 56446451 is about 383.6002490536.

The spelling of 56446451 in words is "fifty-six million, four hundred forty-six thousand, four hundred fifty-one".