55432332 has 36 divisors (see below), whose sum is σ = 143383240. Its totient is φ = 18047232.

The previous prime is 55432319. The next prime is 55432337. The reversal of 55432332 is 23323455.

55432332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 55432296 and 55432305.

It is not an unprimeable number, because it can be changed into a prime (55432337) 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, 16357 + ... + 19452.

Almost surely, 2^55432332 is an apocalyptic number.

It is an amenable number.

55432332 is an abundant number, since it is smaller than the sum of its proper divisors (87950908).

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

55432332 is a wasteful number, since it uses less digits than its factorization.

55432332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35862 (or 35857 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 55432332 is about 7445.2892489144. The cubic root of 55432332 is about 381.2890938322.

Adding to 55432332 its reverse (23323455), we get a palindrome (78755787).

It can be divided in two parts, 5543 and 2332, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 55432332 in words is "fifty-five million, four hundred thirty-two thousand, three hundred thirty-two".