55419680080 has 40 divisors (see below), whose sum is σ = 128866653792. Its totient is φ = 22165137024.

The previous prime is 55419680047. The next prime is 55419680089. The reversal of 55419680080 is 8008691455.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 55419680080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55419680089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687159 + ... + 763561.

Almost surely, 2^55419680080 is an apocalyptic number.

It is an amenable number.

55419680080 is an abundant number, since it is smaller than the sum of its proper divisors (73446973712).

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

55419680080 is a wasteful number, since it uses less digits than its factorization.

55419680080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85483 (or 85477 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 55419680080 in words is "fifty-five billion, four hundred nineteen million, six hundred eighty thousand, eighty".