5521020808 has 16 divisors (see below), whose sum is σ = 10353346380. Its totient is φ = 2760128448.

The previous prime is 5521020773. The next prime is 5521020811. The reversal of 5521020808 is 8080201255.

It can be written as a sum of positive squares in 2 ways, for example, as 5502375684 + 18645124 = 74178^2 + 4318^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5521020808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19210 + ... + 106822.

Almost surely, 2^5521020808 is an apocalyptic number.

It is an amenable number.

5521020808 is a deficient number, since it is larger than the sum of its proper divisors (4832325572).

5521020808 is a wasteful number, since it uses less digits than its factorization.

5521020808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95496 (or 95492 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 5521020808 is about 74303.5719733581. The cubic root of 5521020808 is about 1767.4201201207.

The spelling of 5521020808 in words is "five billion, five hundred twenty-one million, twenty thousand, eight hundred eight".