55398330792 has 96 divisors (see below), whose sum is σ = 171838929600. Its totient is φ = 15794134272.

The previous prime is 55398330787. The next prime is 55398330809. The reversal of 55398330792 is 29703389355.

It is a happy number.

55398330792 is a `hidden beast` number, since 5 + 539 + 8 + 3 + 30 + 79 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117684 + ... + 353052.

It is an arithmetic number, because the mean of its divisors is an integer number (1789988850).

Almost surely, 2^55398330792 is an apocalyptic number.

It is a pronic number, being equal to 235368×235369.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55398330792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85919464800).

55398330792 is an abundant number, since it is smaller than the sum of its proper divisors (116440598808).

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

55398330792 is a wasteful number, since it uses less digits than its factorization.

55398330792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235855 (or 235848 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 54.

The spelling of 55398330792 in words is "fifty-five billion, three hundred ninety-eight million, three hundred thirty thousand, seven hundred ninety-two".