55006173625 has 16 divisors (see below), whose sum is σ = 73928299536. Its totient is φ = 40619942400.

The previous prime is 55006173601. The next prime is 55006173643. The reversal of 55006173625 is 52637160055.

It can be written as a sum of positive squares in 8 ways, for example, as 18612599184 + 36393574441 = 136428^2 + 190771^2 .

It is not a de Polignac number, because 55006173625 - 2⁹ = 55006173113 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, 16923352 + ... + 16926601.

It is an arithmetic number, because the mean of its divisors is an integer number (4620518721).

Almost surely, 2^55006173625 is an apocalyptic number.

It is an amenable number.

55006173625 is a deficient number, since it is larger than the sum of its proper divisors (18922125911).

55006173625 is a wasteful number, since it uses less digits than its factorization.

55006173625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33849981 (or 33849971 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 55006173625 in words is "fifty-five billion, six million, one hundred seventy-three thousand, six hundred twenty-five".