5445513216 has 312 divisors, whose sum is σ = 18497374896. Its totient is φ = 1521745920.

The previous prime is 5445513211. The next prime is 5445513223. The reversal of 5445513216 is 6123155445.

It is a tau number, because it is divible by the number of its divisors (312).

It is a super-2 number, since 2×5445513216² = 59307228371261325312, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445513211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5271036 + ... + 5272068.

It is an arithmetic number, because the mean of its divisors is an integer number (59286458).

Almost surely, 2^5445513216 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 5445513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9248687448).

5445513216 is an abundant number, since it is smaller than the sum of its proper divisors (13051861680).

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

5445513216 is a wasteful number, since it uses less digits than its factorization.

5445513216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1062 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5445513216 is about 73793.7207084722. The cubic root of 5445513216 is about 1759.3258023763.

The spelling of 5445513216 in words is "five billion, four hundred forty-five million, five hundred thirteen thousand, two hundred sixteen".