54422012021 has 8 divisors (see below), whose sum is σ = 58621134264. Its totient is φ = 50224720320.

The previous prime is 54422012017. The next prime is 54422012033. The reversal of 54422012021 is 12021022445.

It can be written as a sum of positive squares in 4 ways, for example, as 9174766225 + 45247245796 = 95785^2 + 212714^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54422012021 - 2² = 54422012017 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 (54422012081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395570 + ... + 515091.

It is an arithmetic number, because the mean of its divisors is an integer number (7327641783).

Almost surely, 2^54422012021 is an apocalyptic number.

It is an amenable number.

54422012021 is a deficient number, since it is larger than the sum of its proper divisors (4199122243).

54422012021 is a wasteful number, since it uses less digits than its factorization.

54422012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915271.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 54422012021 its reverse (12021022445), we get a palindrome (66443034466).

The spelling of 54422012021 in words is "fifty-four billion, four hundred twenty-two million, twelve thousand, twenty-one".