55433808 has 50 divisors (see below), whose sum is σ = 160445274. Its totient is φ = 18477504.

The previous prime is 55433789. The next prime is 55433809. The reversal of 55433808 is 80833455.

55433808 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 only one way, i.e., 36144144 + 19289664 = 6012^2 + 4392^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55433809) 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 9 ways as a sum of consecutive naturals, for example, 20091 + ... + 22682.

Almost surely, 2^55433808 is an apocalyptic number.

It is an amenable number.

55433808 is an abundant number, since it is smaller than the sum of its proper divisors (105011466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55433808 is a wasteful number, since it uses less digits than its factorization.

55433808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42793 (or 42778 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 55433808 is about 7445.3883713343. The cubic root of 55433808 is about 381.2924780046.

The spelling of 55433808 in words is "fifty-five million, four hundred thirty-three thousand, eight hundred eight".