55323533 has 12 divisors (see below), whose sum is σ = 58808928. Its totient is φ = 51945960.

The previous prime is 55323517. The next prime is 55323539. The reversal of 55323533 is 33532355.

55323533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55323533 - 2⁴ = 55323517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55323496 and 55323505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55323539) 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, 79718 + ... + 80408.

It is an arithmetic number, because the mean of its divisors is an integer number (4900744).

Almost surely, 2^55323533 is an apocalyptic number.

It is an amenable number.

55323533 is a deficient number, since it is larger than the sum of its proper divisors (3485395).

55323533 is an equidigital number, since it uses as much as digits as its factorization.

55323533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 773 counting only the distinct ones).

The product of its digits is 20250, while the sum is 29.

The square root of 55323533 is about 7437.9790938130. The cubic root of 55323533 is about 381.0394739150.

Adding to 55323533 its reverse (33532355), we get a palindrome (88855888).

The spelling of 55323533 in words is "fifty-five million, three hundred twenty-three thousand, five hundred thirty-three".