5518651392 has 208 divisors, whose sum is σ = 16513056000. Its totient is φ = 1821229056.

The previous prime is 5518651381. The next prime is 5518651393. The reversal of 5518651392 is 2931568155.

5518651392 is a `hidden beast` number, since 5 + 51 + 86 + 513 + 9 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518651393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15372109 + ... + 15372467.

Almost surely, 2^5518651392 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 5518651392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8256528000).

5518651392 is an abundant number, since it is smaller than the sum of its proper divisors (10994404608).

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

5518651392 is a wasteful number, since it uses less digits than its factorization.

5518651392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 503 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 5518651392 is about 74287.6261028713. The cubic root of 5518651392 is about 1767.1672470334.

The spelling of 5518651392 in words is "five billion, five hundred eighteen million, six hundred fifty-one thousand, three hundred ninety-two".