55110561 has 8 divisors (see below), whose sum is σ = 80160864. Its totient is φ = 33400320.

The previous prime is 55110557. The next prime is 55110593. The reversal of 55110561 is 16501155.

55110561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55110561 - 2² = 55110557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55110061) 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 7 ways as a sum of consecutive naturals, for example, 834976 + ... + 835041.

It is an arithmetic number, because the mean of its divisors is an integer number (10020108).

Almost surely, 2^55110561 is an apocalyptic number.

It is an amenable number.

55110561 is a deficient number, since it is larger than the sum of its proper divisors (25050303).

55110561 is a wasteful number, since it uses less digits than its factorization.

55110561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670031.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 55110561 is about 7423.6487659371. The cubic root of 55110561 is about 380.5498986859.

The spelling of 55110561 in words is "fifty-five million, one hundred ten thousand, five hundred sixty-one".