55228608384 has 64 divisors (see below), whose sum is σ = 146825177040. Its totient is φ = 18393952256.

The previous prime is 55228608371. The next prime is 55228608437. The reversal of 55228608384 is 48380682255.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397834 + ... + 518390.

Almost surely, 2^55228608384 is an apocalyptic number.

It is an amenable number.

55228608384 is an abundant number, since it is smaller than the sum of its proper divisors (91596568656).

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

55228608384 is a wasteful number, since it uses less digits than its factorization.

55228608384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121767 (or 121755 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 55228608384 in words is "fifty-five billion, two hundred twenty-eight million, six hundred eight thousand, three hundred eighty-four".