5519637408 has 96 divisors (see below), whose sum is σ = 15330047040. Its totient is φ = 1734082560.

The previous prime is 5519637397. The next prime is 5519637419. The reversal of 5519637408 is 8047369155.

It is an interprime number because it is at equal distance from previous prime (5519637397) and next prime (5519637419).

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351648 + ... + 367008.

It is an arithmetic number, because the mean of its divisors is an integer number (159687990).

Almost surely, 2^5519637408 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 5519637408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7665023520).

5519637408 is an abundant number, since it is smaller than the sum of its proper divisors (9810409632).

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

5519637408 is a wasteful number, since it uses less digits than its factorization.

5519637408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590 (or 15582 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The square root of 5519637408 is about 74294.2622818209. The cubic root of 5519637408 is about 1767.2724872024.

The spelling of 5519637408 in words is "five billion, five hundred nineteen million, six hundred thirty-seven thousand, four hundred eight".