56664255 has 32 divisors (see below), whose sum is σ = 93542400. Its totient is φ = 29272320.

The previous prime is 56664229. The next prime is 56664259. The reversal of 56664255 is 55246665.

It is a happy number.

56664255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56664255 - 2¹⁰ = 56663231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56664259) 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 in 31 ways as a sum of consecutive naturals, for example, 122154 + ... + 122616.

It is an arithmetic number, because the mean of its divisors is an integer number (2923200).

Almost surely, 2^56664255 is an apocalyptic number.

56664255 is a deficient number, since it is larger than the sum of its proper divisors (36878145).

56664255 is a wasteful number, since it uses less digits than its factorization.

56664255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 216000, while the sum is 39.

The square root of 56664255 is about 7527.5663397940. The cubic root of 56664255 is about 384.0930018337.

The spelling of 56664255 in words is "fifty-six million, six hundred sixty-four thousand, two hundred fifty-five".