55046564066544 has 80 divisors (see below), whose sum is σ = 143355402167040. Its totient is φ = 18200450936320.

The previous prime is 55046564066539. The next prime is 55046564066551. The reversal of 55046564066544 is 44566046564055.

It is a super-2 number, since 2×55046564066544² (a number of 28 digits) contains 22 as substring.

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, 4954789 + ... + 11603579.

It is an arithmetic number, because the mean of its divisors is an integer number (1791942527088).

Almost surely, 2^{55046564066544} is an apocalyptic number.

It is an amenable number.

55046564066544 is an abundant number, since it is smaller than the sum of its proper divisors (88308838100496).

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

55046564066544 is a wasteful number, since it uses less digits than its factorization.

55046564066544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650198 (or 6650192 counting only the distinct ones).

The product of its (nonzero) digits is 207360000, while the sum is 60.

The spelling of 55046564066544 in words is "fifty-five trillion, forty-six billion, five hundred sixty-four million, sixty-six thousand, five hundred forty-four".