55088565 has 32 divisors (see below), whose sum is σ = 105117696. Its totient is φ = 24087360.

The previous prime is 55088557. The next prime is 55088639. The reversal of 55088565 is 56588055.

55088565 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 55088565 - 2³ = 55088557 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 8991 + ... + 13820.

It is an arithmetic number, because the mean of its divisors is an integer number (3284928).

Almost surely, 2^55088565 is an apocalyptic number.

It is an amenable number.

55088565 is a deficient number, since it is larger than the sum of its proper divisors (50029131).

55088565 is a wasteful number, since it uses less digits than its factorization.

55088565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22849.

The product of its (nonzero) digits is 240000, while the sum is 42.

The square root of 55088565 is about 7422.1671363558. The cubic root of 55088565 is about 380.4992629620.

The spelling of 55088565 in words is "fifty-five million, eighty-eight thousand, five hundred sixty-five".