55352187016686 has 128 divisors (see below), whose sum is σ = 144126624706560. Its totient is φ = 15418194518016.

The previous prime is 55352187016669. The next prime is 55352187016727. The reversal of 55352187016686 is 68661078125355.

55352187016686 is a `hidden beast` number, since 5 + 535 + 2 + 1 + 8 + 7 + 0 + 16 + 6 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1495665 + ... + 10627388.

It is an arithmetic number, because the mean of its divisors is an integer number (1125989255520).

Almost surely, 2^{55352187016686} is an apocalyptic number.

55352187016686 is an abundant number, since it is smaller than the sum of its proper divisors (88774437689874).

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

55352187016686 is a wasteful number, since it uses less digits than its factorization.

55352187016686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12123375 (or 12123369 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 63.

The spelling of 55352187016686 in words is "fifty-five trillion, three hundred fifty-two billion, one hundred eighty-seven million, sixteen thousand, six hundred eighty-six".