55207216677472 has 12 divisors (see below), whose sum is σ = 108689207833836. Its totient is φ = 27603608338720.

The previous prime is 55207216677469. The next prime is 55207216677479. The reversal of 55207216677472 is 27477661270255.

It is a self number, because there is not a number n which added to its sum of digits gives 55207216677472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55207216677479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862612760554 + ... + 862612760617.

It is an arithmetic number, because the mean of its divisors is an integer number (9057433986153).

Almost surely, 2^{55207216677472} is an apocalyptic number.

It is an amenable number.

55207216677472 is a deficient number, since it is larger than the sum of its proper divisors (53481991156364).

55207216677472 is a wasteful number, since it uses less digits than its factorization.

55207216677472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725225521181 (or 1725225521173 counting only the distinct ones).

The product of its (nonzero) digits is 69148800, while the sum is 61.

The spelling of 55207216677472 in words is "fifty-five trillion, two hundred seven billion, two hundred sixteen million, six hundred seventy-seven thousand, four hundred seventy-two".