54032409221 has 12 divisors (see below), whose sum is σ = 66551323788. Its totient is φ = 43589169792.

The previous prime is 54032409161. The next prime is 54032409227. The reversal of 54032409221 is 12290423045.

It can be written as a sum of positive squares in 2 ways, for example, as 18059596996 + 35972812225 = 134386^2 + 189665^2 .

It is not a de Polignac number, because 54032409221 - 2²⁶ = 53965300357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54032409227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32431586 + ... + 32433251.

It is an arithmetic number, because the mean of its divisors is an integer number (5545943649).

Almost surely, 2^54032409221 is an apocalyptic number.

It is an amenable number.

54032409221 is a deficient number, since it is larger than the sum of its proper divisors (12518914567).

54032409221 is a wasteful number, since it uses less digits than its factorization.

54032409221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64864868 (or 64864861 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 54032409221 in words is "fifty-four billion, thirty-two million, four hundred nine thousand, two hundred twenty-one".