54517522625 has 8 divisors (see below), whose sum is σ = 68037868392. Its totient is φ = 43614018000.

The previous prime is 54517522621. The next prime is 54517522637. The reversal of 54517522625 is 52622571545.

54517522625 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 4 ways, for example, as 2402568256 + 52114954369 = 49016^2 + 228287^2 .

It is not a de Polignac number, because 54517522625 - 2² = 54517522621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54517522621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218069966 + ... + 218070215.

It is an arithmetic number, because the mean of its divisors is an integer number (8504733549).

Almost surely, 2^54517522625 is an apocalyptic number.

It is an amenable number.

54517522625 is a deficient number, since it is larger than the sum of its proper divisors (13520345767).

54517522625 is an equidigital number, since it uses as much as digits as its factorization.

54517522625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436140196 (or 436140186 counting only the distinct ones).

The product of its digits is 840000, while the sum is 44.

The spelling of 54517522625 in words is "fifty-four billion, five hundred seventeen million, five hundred twenty-two thousand, six hundred twenty-five".