55332549 has 12 divisors (see below), whose sum is σ = 83400096. Its totient is φ = 35284392.

The previous prime is 55332539. The next prime is 55332559. The reversal of 55332549 is 94523355.

55332549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55332539) and next prime (55332559).

It is not a de Polignac number, because 55332549 - 2⁵ = 55332517 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55332539) 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, 133447 + ... + 133860.

It is an arithmetic number, because the mean of its divisors is an integer number (6950008).

Almost surely, 2^55332549 is an apocalyptic number.

It is an amenable number.

55332549 is a deficient number, since it is larger than the sum of its proper divisors (28067547).

55332549 is a wasteful number, since it uses less digits than its factorization.

55332549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267336 (or 267333 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 55332549 is about 7438.5851477280. The cubic root of 55332549 is about 381.0601719501.

The spelling of 55332549 in words is "fifty-five million, three hundred thirty-two thousand, five hundred forty-nine".