55205112225425 has 24 divisors (see below), whose sum is σ = 69095773569600. Its totient is φ = 43750281135680.

The previous prime is 55205112225383. The next prime is 55205112225443. The reversal of 55205112225425 is 52452221150255.

It is not a de Polignac number, because 55205112225425 - 2²² = 55205108031121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121188236 + ... + 121642914.

It is an arithmetic number, because the mean of its divisors is an integer number (2878990565400).

Almost surely, 2^{55205112225425} is an apocalyptic number.

It is an amenable number.

55205112225425 is a deficient number, since it is larger than the sum of its proper divisors (13890661344175).

55205112225425 is a wasteful number, since it uses less digits than its factorization.

55205112225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500185 (or 500180 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 55205112225425 in words is "fifty-five trillion, two hundred five billion, one hundred twelve million, two hundred twenty-five thousand, four hundred twenty-five".