5454423252421 has 32 divisors (see below), whose sum is σ = 6809429749248. Its totient is φ = 4292342461440.

The previous prime is 5454423252419. The next prime is 5454423252427. The reversal of 5454423252421 is 1242523244545.

It is not a de Polignac number, because 5454423252421 - 2¹ = 5454423252419 is a prime.

It is a super-2 number, since 2×5454423252421² (a number of 26 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 (5454423252427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3376605 + ... + 4723378.

It is an arithmetic number, because the mean of its divisors is an integer number (212794679664).

Almost surely, 2^{5454423252421} is an apocalyptic number.

It is an amenable number.

5454423252421 is a deficient number, since it is larger than the sum of its proper divisors (1355006496827).

5454423252421 is a wasteful number, since it uses less digits than its factorization.

5454423252421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100301.

The product of its digits is 1536000, while the sum is 43.

Adding to 5454423252421 its reverse (1242523244545), we get a palindrome (6696946496966).

The spelling of 5454423252421 in words is "five trillion, four hundred fifty-four billion, four hundred twenty-three million, two hundred fifty-two thousand, four hundred twenty-one".