55254155 has 16 divisors (see below), whose sum is σ = 72870624. Its totient is φ = 39886080.

The previous prime is 55254151. The next prime is 55254169. The reversal of 55254155 is 55145255.

55254155 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 55254155 - 2² = 55254151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55254151) 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 15 ways as a sum of consecutive naturals, for example, 3869 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (4554414).

Almost surely, 2^55254155 is an apocalyptic number.

55254155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55254155 is a deficient number, since it is larger than the sum of its proper divisors (17616469).

55254155 is a wasteful number, since it uses less digits than its factorization.

55254155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486.

The product of its digits is 25000, while the sum is 32.

The square root of 55254155 is about 7433.3138639506. The cubic root of 55254155 is about 380.8801275308.

Subtracting from 55254155 its reverse (55145255), we obtain a square (108900 = 330²).

The spelling of 55254155 in words is "fifty-five million, two hundred fifty-four thousand, one hundred fifty-five".