55332343420 has 48 divisors (see below), whose sum is σ = 117642147840. Its totient is φ = 21858048576.

The previous prime is 55332343397. The next prime is 55332343499. The reversal of 55332343420 is 2434323355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6341821 + ... + 6350539.

It is an arithmetic number, because the mean of its divisors is an integer number (2450878080).

Almost surely, 2^55332343420 is an apocalyptic number.

It is an amenable number.

55332343420 is an abundant number, since it is smaller than the sum of its proper divisors (62309804420).

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

55332343420 is a wasteful number, since it uses less digits than its factorization.

55332343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12634 (or 12632 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 34.

Adding to 55332343420 its reverse (2434323355), we get a palindrome (57766666775).

The spelling of 55332343420 in words is "fifty-five billion, three hundred thirty-two million, three hundred forty-three thousand, four hundred twenty".