55708185668500 has 48 divisors (see below), whose sum is σ = 122278068057600. Its totient is φ = 22171297975200.

The previous prime is 55708185668423. The next prime is 55708185668503. The reversal of 55708185668500 is 586658180755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55708185668503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279841132 + ... + 280040131.

It is an arithmetic number, because the mean of its divisors is an integer number (2547459751200).

Almost surely, 2^{55708185668500} is an apocalyptic number.

55708185668500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55708185668500 is an abundant number, since it is smaller than the sum of its proper divisors (66569882389100).

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

55708185668500 is a wasteful number, since it uses less digits than its factorization.

55708185668500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559881481 (or 559881469 counting only the distinct ones).

The product of its (nonzero) digits is 80640000, while the sum is 64.

The spelling of 55708185668500 in words is "fifty-five trillion, seven hundred eight billion, one hundred eighty-five million, six hundred sixty-eight thousand, five hundred".