55126515216 has 20 divisors (see below), whose sum is σ = 142410164432. Its totient is φ = 18375505056.

The previous prime is 55126515211. The next prime is 55126515263. The reversal of 55126515216 is 61251562155.

It is not an unprimeable number, because it can be changed into a prime (55126515211) 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 in 3 ways as a sum of consecutive naturals, for example, 574234486 + ... + 574234581.

Almost surely, 2^55126515216 is an apocalyptic number.

It is an amenable number.

55126515216 is an abundant number, since it is smaller than the sum of its proper divisors (87283649216).

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

55126515216 is a wasteful number, since it uses less digits than its factorization.

55126515216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148469078 (or 1148469072 counting only the distinct ones).

The product of its digits is 90000, while the sum is 39.

The spelling of 55126515216 in words is "fifty-five billion, one hundred twenty-six million, five hundred fifteen thousand, two hundred sixteen".