54444421311421 has 8 divisors (see below), whose sum is σ = 54470644107264. Its totient is φ = 54418200466080.

The previous prime is 54444421311377. The next prime is 54444421311439. The reversal of 54444421311421 is 12411312444445.

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 54444421311421 - 2¹¹ = 54444421309373 is a prime.

It is a super-2 number, since 2×54444421311421² (a number of 28 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 (54444421311521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56978761 + ... + 57926401.

It is an arithmetic number, because the mean of its divisors is an integer number (6808830513408).

Almost surely, 2^{54444421311421} is an apocalyptic number.

It is an amenable number.

54444421311421 is a deficient number, since it is larger than the sum of its proper divisors (26222795843).

54444421311421 is a wasteful number, since it uses less digits than its factorization.

54444421311421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975251.

The product of its digits is 245760, while the sum is 40.

Adding to 54444421311421 its reverse (12411312444445), we get a palindrome (66855733755866).

The spelling of 54444421311421 in words is "fifty-four trillion, four hundred forty-four billion, four hundred twenty-one million, three hundred eleven thousand, four hundred twenty-one".