5515643430 has 192 divisors, whose sum is σ = 16268091840. Its totient is φ = 1328785920.

The previous prime is 5515643377. The next prime is 5515643447. The reversal of 5515643430 is 343465155.

5515643430 is a `hidden beast` number, since 5 + 5 + 1 + 5 + 643 + 4 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 6435562 + ... + 6436418.

It is an arithmetic number, because the mean of its divisors is an integer number (84729645).

Almost surely, 2^5515643430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5515643430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8134045920).

5515643430 is an abundant number, since it is smaller than the sum of its proper divisors (10752448410).

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

5515643430 is a wasteful number, since it uses less digits than its factorization.

5515643430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 5515643430 is about 74267.3779663723. The cubic root of 5515643430 is about 1766.8461215990.

The spelling of 5515643430 in words is "five billion, five hundred fifteen million, six hundred forty-three thousand, four hundred thirty".