55172193536480 has 96 divisors (see below), whose sum is σ = 130841369064000. Its totient is φ = 21984866168832.

The previous prime is 55172193536479. The next prime is 55172193536573. The reversal of 55172193536480 is 8463539127155.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47392421 + ... + 48542619.

It is an arithmetic number, because the mean of its divisors is an integer number (1362930927750).

It is a 1-persistent number, because it is pandigital, but 2⋅55172193536480 = 110344387072960 is not.

Almost surely, 2^{55172193536480} is an apocalyptic number.

It is an amenable number.

55172193536480 is an abundant number, since it is smaller than the sum of its proper divisors (75669175527520).

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

55172193536480 is a wasteful number, since it uses less digits than its factorization.

55172193536480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151356 (or 1151348 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 59.

The spelling of 55172193536480 in words is "fifty-five trillion, one hundred seventy-two billion, one hundred ninety-three million, five hundred thirty-six thousand, four hundred eighty".