55659433 has 12 divisors (see below), whose sum is σ = 57883980. Its totient is φ = 53514432.

The previous prime is 55659431. The next prime is 55659437. The reversal of 55659433 is 33495655.

It is a happy number.

55659433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 16621929 + 39037504 = 4077^2 + 6248^2 .

It is not a de Polignac number, because 55659433 - 2¹ = 55659431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55659431) 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 11 ways as a sum of consecutive naturals, for example, 149035 + ... + 149407.

It is an arithmetic number, because the mean of its divisors is an integer number (4823665).

Almost surely, 2^55659433 is an apocalyptic number.

It is an amenable number.

55659433 is a deficient number, since it is larger than the sum of its proper divisors (2224547).

55659433 is a wasteful number, since it uses less digits than its factorization.

55659433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 519 counting only the distinct ones).

The product of its digits is 243000, while the sum is 40.

The square root of 55659433 is about 7460.5249815278. The cubic root of 55659433 is about 381.8090860937.

The spelling of 55659433 in words is "fifty-five million, six hundred fifty-nine thousand, four hundred thirty-three".