5521199900 has 18 divisors (see below), whose sum is σ = 11981004000. Its totient is φ = 2208479920.

The previous prime is 5521199897. The next prime is 5521199941. The reversal of 5521199900 is 99911255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27605900 + ... + 27606099.

Almost surely, 2^5521199900 is an apocalyptic number.

5521199900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5521199900 is an abundant number, since it is smaller than the sum of its proper divisors (6459804100).

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

5521199900 is a wasteful number, since it uses less digits than its factorization.

5521199900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55212013 (or 55212006 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 41.

The square root of 5521199900 is about 74304.7771008029. Note that the first 3 decimals coincide. The cubic root of 5521199900 is about 1767.4392305589.

The spelling of 5521199900 in words is "five billion, five hundred twenty-one million, one hundred ninety-nine thousand, nine hundred".