5521747952448 has 1120 divisors, whose sum is σ = 20949746028288. Its totient is φ = 1399232102400.

The previous prime is 5521747952447. The next prime is 5521747952467. The reversal of 5521747952448 is 8442597471255.

5521747952448 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 74 + 79 + 52 + 448 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521747952447) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1295878638 + ... + 1295882898.

Almost surely, 2^{5521747952448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5521747952448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10474873014144).

5521747952448 is an abundant number, since it is smaller than the sum of its proper divisors (15427998075840).

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

5521747952448 is a wasteful number, since it uses less digits than its factorization.

5521747952448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413 (or 4394 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 63.

The spelling of 5521747952448 in words is "five trillion, five hundred twenty-one billion, seven hundred forty-seven million, nine hundred fifty-two thousand, four hundred forty-eight".