55966833 has 24 divisors (see below), whose sum is σ = 87475752. Its totient is φ = 34276608.

The previous prime is 55966819. The next prime is 55966853. The reversal of 55966833 is 33866955.

55966833 is a `hidden beast` number, since 559 + 6 + 68 + 33 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 121104 + 55845729 = 348^2 + 7473^2 .

It is not a de Polignac number, because 55966833 - 2¹⁰ = 55965809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55966853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26235 + ... + 28287.

It is an arithmetic number, because the mean of its divisors is an integer number (3644823).

Almost surely, 2^55966833 is an apocalyptic number.

It is an amenable number.

55966833 is a deficient number, since it is larger than the sum of its proper divisors (31508919).

55966833 is a wasteful number, since it uses less digits than its factorization.

55966833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2302 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 55966833 is about 7481.0983819223. The cubic root of 55966833 is about 382.5106904612.

The spelling of 55966833 in words is "fifty-five million, nine hundred sixty-six thousand, eight hundred thirty-three".