21552100300550 has 96 divisors (see below), whose sum is σ = 42268275148320. Its totient is φ = 8153275622400.

The previous prime is 21552100300517. The next prime is 21552100300573. The reversal of 21552100300550 is 5500300125512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2987948744 + ... + 2987955956.

It is an arithmetic number, because the mean of its divisors is an integer number (440294532795).

Almost surely, 2^{21552100300550} is an apocalyptic number.

21552100300550 is a deficient number, since it is larger than the sum of its proper divisors (20716174847770).

21552100300550 is a wasteful number, since it uses less digits than its factorization.

21552100300550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12138 (or 12133 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 21552100300550 in words is "twenty-one trillion, five hundred fifty-two billion, one hundred million, three hundred thousand, five hundred fifty".