55061521716 has 24 divisors (see below), whose sum is σ = 129219529824. Its totient is φ = 18247748320.

The previous prime is 55061521709. The next prime is 55061521771. The reversal of 55061521716 is 61712516055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 13259370 + ... + 13263521.

It is an arithmetic number, because the mean of its divisors is an integer number (5384147076).

Almost surely, 2^55061521716 is an apocalyptic number.

It is an amenable number.

55061521716 is an abundant number, since it is smaller than the sum of its proper divisors (74158008108).

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

55061521716 is a wasteful number, since it uses less digits than its factorization.

55061521716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26523071 (or 26523069 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 55061521716 in words is "fifty-five billion, sixty-one million, five hundred twenty-one thousand, seven hundred sixteen".