54421621060318 has 16 divisors (see below), whose sum is σ = 83532487015296. Its totient is φ = 26577483370200.

The previous prime is 54421621060291. The next prime is 54421621060319. The reversal of 54421621060318 is 81306012612445.

It is a super-2 number, since 2×54421621060318² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54421621060319) 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, 1701858 + ... + 10570693.

It is an arithmetic number, because the mean of its divisors is an integer number (5220780438456).

Almost surely, 2^{54421621060318} is an apocalyptic number.

54421621060318 is a deficient number, since it is larger than the sum of its proper divisors (29110865954978).

54421621060318 is a wasteful number, since it uses less digits than its factorization.

54421621060318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12324159.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 54421621060318 in words is "fifty-four trillion, four hundred twenty-one billion, six hundred twenty-one million, sixty thousand, three hundred eighteen".