549659927508544 has 112 divisors (see below), whose sum is σ = 1102697236832256. Its totient is φ = 271832850432000.

The previous prime is 549659927508487. The next prime is 549659927508557. The reversal of 549659927508544 is 445805729956945.

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, 4602801924 + ... + 4602921340.

Almost surely, 2^{549659927508544} is an apocalyptic number.

It is an amenable number.

549659927508544 is an abundant number, since it is smaller than the sum of its proper divisors (553037309323712).

549659927508544 is a wasteful number, since it uses less digits than its factorization.

549659927508544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121764 (or 121754 counting only the distinct ones).

The product of its (nonzero) digits is 19595520000, while the sum is 82.

The spelling of 549659927508544 in words is "five hundred forty-nine trillion, six hundred fifty-nine billion, nine hundred twenty-seven million, five hundred eight thousand, five hundred forty-four".