55144116625 has 16 divisors (see below), whose sum is σ = 74113694928. Its totient is φ = 40721808000.

The previous prime is 55144116617. The next prime is 55144116649. The reversal of 55144116625 is 52661144155.

55144116625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 28073337601 + 27070779024 = 167551^2 + 164532^2 .

It is not a de Polignac number, because 55144116625 - 2³ = 55144116617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16965796 + ... + 16969045.

It is an arithmetic number, because the mean of its divisors is an integer number (4632105933).

Almost surely, 2^55144116625 is an apocalyptic number.

It is an amenable number.

55144116625 is a deficient number, since it is larger than the sum of its proper divisors (18969578303).

55144116625 is a wasteful number, since it uses less digits than its factorization.

55144116625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33934869 (or 33934859 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The spelling of 55144116625 in words is "fifty-five billion, one hundred forty-four million, one hundred sixteen thousand, six hundred twenty-five".