55012125660 has 24 divisors (see below), whose sum is σ = 154033952016. Its totient is φ = 14669900160.

The previous prime is 55012125643. The next prime is 55012125691. The reversal of 55012125660 is 6652121055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458434321 + ... + 458434440.

It is an arithmetic number, because the mean of its divisors is an integer number (6418081334).

Almost surely, 2^55012125660 is an apocalyptic number.

It is an amenable number.

55012125660 is an abundant number, since it is smaller than the sum of its proper divisors (99021826356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55012125660 is a wasteful number, since it uses less digits than its factorization.

55012125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916868773 (or 916868771 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 55012125660 in words is "fifty-five billion, twelve million, one hundred twenty-five thousand, six hundred sixty".