54806728669 has 16 divisors (see below), whose sum is σ = 70177239936. Its totient is φ = 41552308800.

The previous prime is 54806728667. The next prime is 54806728679. The reversal of 54806728669 is 96682760845.

It is a cyclic number.

It is not a de Polignac number, because 54806728669 - 2¹ = 54806728667 is a prime.

It is a super-2 number, since 2×54806728669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54806728663) 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, 9615742 + ... + 9621439.

It is an arithmetic number, because the mean of its divisors is an integer number (4386077496).

Almost surely, 2^54806728669 is an apocalyptic number.

It is an amenable number.

54806728669 is a deficient number, since it is larger than the sum of its proper divisors (15370511267).

54806728669 is a wasteful number, since it uses less digits than its factorization.

54806728669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237236.

The product of its (nonzero) digits is 34836480, while the sum is 61.

The spelling of 54806728669 in words is "fifty-four billion, eight hundred six million, seven hundred twenty-eight thousand, six hundred sixty-nine".