55205157025660 has 24 divisors (see below), whose sum is σ = 122750290328400. Its totient is φ = 20783117938944.

The previous prime is 55205157025589. The next prime is 55205157025673. The reversal of 55205157025660 is 6652075150255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81184054110 + ... + 81184054789.

It is an arithmetic number, because the mean of its divisors is an integer number (5114595430350).

Almost surely, 2^{55205157025660} is an apocalyptic number.

It is an amenable number.

55205157025660 is an abundant number, since it is smaller than the sum of its proper divisors (67545133302740).

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

55205157025660 is a wasteful number, since it uses less digits than its factorization.

55205157025660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162368108925 (or 162368108923 counting only the distinct ones).

The product of its (nonzero) digits is 3150000, while the sum is 49.

The spelling of 55205157025660 in words is "fifty-five trillion, two hundred five billion, one hundred fifty-seven million, twenty-five thousand, six hundred sixty".