5221454544 has 60 divisors (see below), whose sum is σ = 14624528256. Its totient is φ = 1739090496.

The previous prime is 5221454533. The next prime is 5221454551. The reversal of 5221454544 is 4454541225.

5221454544 is a `hidden beast` number, since 52 + 2 + 14 + 54 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5221454499 and 5221454508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174337 + ... + 202079.

Almost surely, 2^5221454544 is an apocalyptic number.

It is an amenable number.

5221454544 is an abundant number, since it is smaller than the sum of its proper divisors (9403073712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5221454544 is a wasteful number, since it uses less digits than its factorization.

5221454544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29064 (or 29055 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The square root of 5221454544 is about 72259.6328803295. The cubic root of 5221454544 is about 1734.8576034972.

Adding to 5221454544 its reverse (4454541225), we get a palindrome (9675995769).

The spelling of 5221454544 in words is "five billion, two hundred twenty-one million, four hundred fifty-four thousand, five hundred forty-four".