55485455 has 16 divisors (see below), whose sum is σ = 67695264. Its totient is φ = 43653120.

The previous prime is 55485449. The next prime is 55485473. The reversal of 55485455 is 55458455.

55485455 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 55485455 - 2¹⁶ = 55419919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 112760 + ... + 113250.

It is an arithmetic number, because the mean of its divisors is an integer number (4230954).

Almost surely, 2^55485455 is an apocalyptic number.

55485455 is a deficient number, since it is larger than the sum of its proper divisors (12209809).

55485455 is a wasteful number, since it uses less digits than its factorization.

55485455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 400000, while the sum is 41.

The square root of 55485455 is about 7448.8559524265. The cubic root of 55485455 is about 381.4108564257.

Subtracting from 55485455 its reverse (55458455), we obtain a cube (27000 = 30³).

The spelling of 55485455 in words is "fifty-five million, four hundred eighty-five thousand, four hundred fifty-five".