55125664001660 has 96 divisors (see below), whose sum is σ = 137485961625600. Its totient is φ = 18167787360000.

The previous prime is 55125664001647. The next prime is 55125664001713. The reversal of 55125664001660 is 6610046652155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41976716 + ... + 43270035.

It is an arithmetic number, because the mean of its divisors is an integer number (1432145433600).

Almost surely, 2^{55125664001660} is an apocalyptic number.

It is an amenable number.

55125664001660 is an abundant number, since it is smaller than the sum of its proper divisors (82360297623940).

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

55125664001660 is a wasteful number, since it uses less digits than its factorization.

55125664001660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85246947 (or 85246945 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 55125664001660 in words is "fifty-five trillion, one hundred twenty-five billion, six hundred sixty-four million, one thousand, six hundred sixty".