33556550000 has 60 divisors (see below), whose sum is σ = 81264689352. Its totient is φ = 13422600000.

The previous prime is 33556549987. The next prime is 33556550021. The reversal of 33556550000 is 5565533.

It is a super-2 number, since 2×33556550000² (a number of 22 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 285566 + ... + 385565.

Almost surely, 2^33556550000 is an apocalyptic number.

It is an amenable number.

33556550000 is an abundant number, since it is smaller than the sum of its proper divisors (47708139352).

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

33556550000 is an frugal number, since it uses more digits than its factorization.

33556550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671164 (or 671138 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 33556550000 in words is "thirty-three billion, five hundred fifty-six million, five hundred fifty thousand".