55153255 has 4 divisors (see below), whose sum is σ = 66183912. Its totient is φ = 44122600.

The previous prime is 55153249. The next prime is 55153271. The reversal of 55153255 is 55235155.

It is a happy number.

55153255 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 not a de Polignac number, because 55153255 - 2¹¹ = 55151207 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 3 ways as a sum of consecutive naturals, for example, 5515321 + ... + 5515330.

It is an arithmetic number, because the mean of its divisors is an integer number (16545978).

Almost surely, 2^55153255 is an apocalyptic number.

55153255 is a deficient number, since it is larger than the sum of its proper divisors (11030657).

55153255 is a wasteful number, since it uses less digits than its factorization.

55153255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030656.

The product of its digits is 18750, while the sum is 31.

The square root of 55153255 is about 7426.5237493729. The cubic root of 55153255 is about 380.6481436402.

The spelling of 55153255 in words is "fifty-five million, one hundred fifty-three thousand, two hundred fifty-five".