55393460842668 has 48 divisors (see below), whose sum is σ = 139566998620896. Its totient is φ = 16998447029760.

The previous prime is 55393460842663. The next prime is 55393460842739. The reversal of 55393460842668 is 86624806439355.

It is not an unprimeable number, because it can be changed into a prime (55393460842661) 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, 475928793 + ... + 476045168.

It is an arithmetic number, because the mean of its divisors is an integer number (2907645804602).

Almost surely, 2^{55393460842668} is an apocalyptic number.

It is an amenable number.

55393460842668 is an abundant number, since it is smaller than the sum of its proper divisors (84173537778228).

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

55393460842668 is a wasteful number, since it uses less digits than its factorization.

55393460842668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951974354 (or 951974352 counting only the distinct ones).

The product of its (nonzero) digits is 895795200, while the sum is 69.

The spelling of 55393460842668 in words is "fifty-five trillion, three hundred ninety-three billion, four hundred sixty million, eight hundred forty-two thousand, six hundred sixty-eight".