5550001664 has 40 divisors (see below), whose sum is σ = 11203585008. Its totient is φ = 2746368000.

The previous prime is 5550001649. The next prime is 5550001673. The reversal of 5550001664 is 4661000555.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 5550001664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6212 + ... + 105539.

Almost surely, 2^5550001664 is an apocalyptic number.

It is an amenable number.

5550001664 is an abundant number, since it is smaller than the sum of its proper divisors (5653583344).

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

5550001664 is an equidigital number, since it uses as much as digits as its factorization.

5550001664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111866 (or 111850 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5550001664 is about 74498.3332967926. Note that the first 3 decimals coincide. The cubic root of 5550001664 is about 1770.5072294789.

The spelling of 5550001664 in words is "five billion, five hundred fifty million, one thousand, six hundred sixty-four".