54032044021 has 4 divisors (see below), whose sum is σ = 54160999200. Its totient is φ = 53903088844.

The previous prime is 54032044013. The next prime is 54032044043. The reversal of 54032044021 is 12044023045.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12044023045 = 5 ⋅2408804609.

It is a cyclic number.

It is not a de Polignac number, because 54032044021 - 2³ = 54032044013 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 (54032044621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64476961 + ... + 64477798.

It is an arithmetic number, because the mean of its divisors is an integer number (13540249800).

Almost surely, 2^54032044021 is an apocalyptic number.

It is an amenable number.

54032044021 is a deficient number, since it is larger than the sum of its proper divisors (128955179).

54032044021 is a wasteful number, since it uses less digits than its factorization.

54032044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128955178.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 54032044021 its reverse (12044023045), we get a palindrome (66076067066).

The spelling of 54032044021 in words is "fifty-four billion, thirty-two million, forty-four thousand, twenty-one".