55424434213984 has 24 divisors (see below), whose sum is σ = 119036568937608. Its totient is φ = 25192924642560.

The previous prime is 55424434213913. The next prime is 55424434213987. The reversal of 55424434213984 is 48931243442455.

It is a happy number.

It is a super-3 number, since 3×55424434213984³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55424434213987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78727889157 + ... + 78727889860.

It is an arithmetic number, because the mean of its divisors is an integer number (4959857039067).

Almost surely, 2^{55424434213984} is an apocalyptic number.

It is an amenable number.

55424434213984 is an abundant number, since it is smaller than the sum of its proper divisors (63612134723624).

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

55424434213984 is a wasteful number, since it uses less digits than its factorization.

55424434213984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157455779038 (or 157455779030 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 58.

The spelling of 55424434213984 in words is "fifty-five trillion, four hundred twenty-four billion, four hundred thirty-four million, two hundred thirteen thousand, nine hundred eighty-four".