55235149 has 4 divisors (see below), whose sum is σ = 57016960. Its totient is φ = 53453340.

The previous prime is 55235123. The next prime is 55235161. The reversal of 55235149 is 94153255.

55235149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55235149 - 2⁷ = 55235021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55235449) 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 3 ways as a sum of consecutive naturals, for example, 890859 + ... + 890920.

It is an arithmetic number, because the mean of its divisors is an integer number (14254240).

Almost surely, 2^55235149 is an apocalyptic number.

It is an amenable number.

55235149 is a deficient number, since it is larger than the sum of its proper divisors (1781811).

55235149 is a wasteful number, since it uses less digits than its factorization.

55235149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781810.

The product of its digits is 27000, while the sum is 34.

The square root of 55235149 is about 7432.0353201529. The cubic root of 55235149 is about 380.8364515522.

The spelling of 55235149 in words is "fifty-five million, two hundred thirty-five thousand, one hundred forty-nine".