5513449920 has 448 divisors, whose sum is σ = 19947672576. Its totient is φ = 1278443520.

The previous prime is 5513449919. The next prime is 5513449937. The reversal of 5513449920 is 299443155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40244092 + ... + 40244228.

Almost surely, 2^5513449920 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 5513449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9973836288).

5513449920 is an abundant number, since it is smaller than the sum of its proper divisors (14434222656).

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

5513449920 is a wasteful number, since it uses less digits than its factorization.

5513449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 5513449920 is about 74252.6088430568. The cubic root of 5513449920 is about 1766.6118721979.

The spelling of 5513449920 in words is "five billion, five hundred thirteen million, four hundred forty-nine thousand, nine hundred twenty".