54447405569 has 16 divisors (see below), whose sum is σ = 57304617600. Its totient is φ = 51632608896.

The previous prime is 54447405563. The next prime is 54447405577. The reversal of 54447405569 is 96550474445.

It is a cyclic number.

It is not a de Polignac number, because 54447405569 - 2²⁴ = 54430628353 is a prime.

It is a super-2 number, since 2×54447405569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54447405569.

It is not an unprimeable number, because it can be changed into a prime (54447405563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515587 + ... + 1551095.

It is an arithmetic number, because the mean of its divisors is an integer number (3581538600).

Almost surely, 2^54447405569 is an apocalyptic number.

It is an amenable number.

54447405569 is a deficient number, since it is larger than the sum of its proper divisors (2857212031).

54447405569 is a wasteful number, since it uses less digits than its factorization.

54447405569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36104.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 54447405569 in words is "fifty-four billion, four hundred forty-seven million, four hundred five thousand, five hundred sixty-nine".