56447933 has 2 divisors, whose sum is σ = 56447934. Its totient is φ = 56447932.

The previous prime is 56447921. The next prime is 56447959. The reversal of 56447933 is 33974465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 1643524 = 7403^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 56447933 - 2¹⁰ = 56446909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56447033) 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, 28223966 + 28223967.

It is an arithmetic number, because the mean of its divisors is an integer number (28223967).

Almost surely, 2^56447933 is an apocalyptic number.

It is an amenable number.

56447933 is a deficient number, since it is larger than the sum of its proper divisors (1).

56447933 is an equidigital number, since it uses as much as digits as its factorization.

56447933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 41.

The square root of 56447933 is about 7513.1839455719. The cubic root of 56447933 is about 383.6036061622.

The spelling of 56447933 in words is "fifty-six million, four hundred forty-seven thousand, nine hundred thirty-three".