55305254 has 4 divisors (see below), whose sum is σ = 82957884. Its totient is φ = 27652626.

The previous prime is 55305253. The next prime is 55305259. The reversal of 55305254 is 45250355.

It is a happy number.

55305254 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.

It is a super-2 number, since 2×55305254² = 6117342240009032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55305253) 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 as a sum of consecutive naturals, namely, 13826312 + ... + 13826315.

It is an arithmetic number, because the mean of its divisors is an integer number (20739471).

Almost surely, 2^55305254 is an apocalyptic number.

55305254 is a deficient number, since it is larger than the sum of its proper divisors (27652630).

55305254 is a wasteful number, since it uses less digits than its factorization.

55305254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27652629.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55305254 is about 7436.7502311157. The cubic root of 55305254 is about 380.9975039046.

The spelling of 55305254 in words is "fifty-five million, three hundred five thousand, two hundred fifty-four".