55233432 has 24 divisors (see below), whose sum is σ = 149590740. Its totient is φ = 18411120.

The previous prime is 55233427. The next prime is 55233469. The reversal of 55233432 is 23433255.

55233432 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 (24).

It is a junction number, because it is equal to n+sod(n) for n = 55233396 and 55233405.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 383494 + ... + 383637.

Almost surely, 2^55233432 is an apocalyptic number.

It is an amenable number.

55233432 is an abundant number, since it is smaller than the sum of its proper divisors (94357308).

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

55233432 is a wasteful number, since it uses less digits than its factorization.

55233432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767143 (or 767136 counting only the distinct ones).

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

The square root of 55233432 is about 7431.9198058106. The cubic root of 55233432 is about 380.8325053756.

Adding to 55233432 its reverse (23433255), we get a palindrome (78666687).

The spelling of 55233432 in words is "fifty-five million, two hundred thirty-three thousand, four hundred thirty-two".