55075563 has 24 divisors (see below), whose sum is σ = 85267728. Its totient is φ = 34132992.

The previous prime is 55075543. The next prime is 55075571. The reversal of 55075563 is 36557055.

55075563 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 55075563 - 2⁹ = 55075051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55075513) 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 23 ways as a sum of consecutive naturals, for example, 10531 + ... + 14867.

It is an arithmetic number, because the mean of its divisors is an integer number (3552822).

Almost surely, 2^55075563 is an apocalyptic number.

55075563 is a deficient number, since it is larger than the sum of its proper divisors (30192165).

55075563 is a wasteful number, since it uses less digits than its factorization.

55075563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443 (or 4440 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 55075563 is about 7421.2911949337. The cubic root of 55075563 is about 380.4693254685.

The spelling of 55075563 in words is "fifty-five million, seventy-five thousand, five hundred sixty-three".