55243602384 has 20 divisors (see below), whose sum is σ = 142712639616. Its totient is φ = 18414534112.

The previous prime is 55243602371. The next prime is 55243602419. The reversal of 55243602384 is 48320634255.

It is a happy number.

It is a super-2 number, since 2×55243602384² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575454144 + ... + 575454239.

Almost surely, 2^55243602384 is an apocalyptic number.

It is an amenable number.

55243602384 is an abundant number, since it is smaller than the sum of its proper divisors (87469037232).

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

55243602384 is a wasteful number, since it uses less digits than its factorization.

55243602384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150908394 (or 1150908388 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 55243602384 in words is "fifty-five billion, two hundred forty-three million, six hundred two thousand, three hundred eighty-four".