56633149 has 2 divisors, whose sum is σ = 56633150. Its totient is φ = 56633148.

The previous prime is 56633123. The next prime is 56633179. The reversal of 56633149 is 94133665.

56633149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 3080025 = 7318^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 56633149 - 2¹⁹ = 56108861 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 (56633179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28316574 + 28316575.

It is an arithmetic number, because the mean of its divisors is an integer number (28316575).

Almost surely, 2^56633149 is an apocalyptic number.

It is an amenable number.

56633149 is a deficient number, since it is larger than the sum of its proper divisors (1).

56633149 is an equidigital number, since it uses as much as digits as its factorization.

56633149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 56633149 is about 7525.4999169490. The cubic root of 56633149 is about 384.0227059960.

The spelling of 56633149 in words is "fifty-six million, six hundred thirty-three thousand, one hundred forty-nine".