55505424534620 has 24 divisors (see below), whose sum is σ = 119041421131584. Its totient is φ = 21729783221696.

The previous prime is 55505424534589. The next prime is 55505424534719. The reversal of 55505424534620 is 2643542450555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29524161047 + ... + 29524162926.

It is an arithmetic number, because the mean of its divisors is an integer number (4960059213816).

Almost surely, 2^{55505424534620} is an apocalyptic number.

It is an amenable number.

55505424534620 is an abundant number, since it is smaller than the sum of its proper divisors (63535996596964).

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

55505424534620 is a wasteful number, since it uses less digits than its factorization.

55505424534620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59048324029 (or 59048324027 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 50.

The spelling of 55505424534620 in words is "fifty-five trillion, five hundred five billion, four hundred twenty-four million, five hundred thirty-four thousand, six hundred twenty".