55333333216 has 48 divisors (see below), whose sum is σ = 124535232864. Its totient is φ = 23707574784.

The previous prime is 55333333207. The next prime is 55333333219. The reversal of 55333333216 is 61233333355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55333333219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803106 + ... + 869278.

It is an arithmetic number, because the mean of its divisors is an integer number (2594484018).

Almost surely, 2^55333333216 is an apocalyptic number.

55333333216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55333333216 is an abundant number, since it is smaller than the sum of its proper divisors (69201899648).

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

55333333216 is a wasteful number, since it uses less digits than its factorization.

55333333216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69923 (or 69915 counting only the distinct ones).

The product of its digits is 218700, while the sum is 37.

The spelling of 55333333216 in words is "fifty-five billion, three hundred thirty-three million, three hundred thirty-three thousand, two hundred sixteen".