5515630398 has 12 divisors (see below), whose sum is σ = 11950532568. Its totient is φ = 1838543460.

The previous prime is 5515630363. The next prime is 5515630427. The reversal of 5515630398 is 8930365155.

5515630398 is a `hidden beast` number, since 5 + 5 + 1 + 5 + 630 + 3 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153211938 + ... + 153211973.

It is an arithmetic number, because the mean of its divisors is an integer number (995877714).

Almost surely, 2^5515630398 is an apocalyptic number.

5515630398 is an abundant number, since it is smaller than the sum of its proper divisors (6434902170).

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

5515630398 is a wasteful number, since it uses less digits than its factorization.

5515630398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306423919 (or 306423916 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The square root of 5515630398 is about 74267.2902292793. The cubic root of 5515630398 is about 1766.8447300686.

The spelling of 5515630398 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, three hundred ninety-eight".