55352332112 has 160 divisors (see below), whose sum is σ = 145401765120. Its totient is φ = 19748413440.

The previous prime is 55352332099. The next prime is 55352332153. The reversal of 55352332112 is 21123325355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 739214 + ... + 810642.

It is an arithmetic number, because the mean of its divisors is an integer number (908761032).

Almost surely, 2^55352332112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55352332112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72700882560).

55352332112 is an abundant number, since it is smaller than the sum of its proper divisors (90049433008).

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

55352332112 is a wasteful number, since it uses less digits than its factorization.

55352332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71509 (or 71503 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

Adding to 55352332112 its reverse (21123325355), we get a palindrome (76475657467).

The spelling of 55352332112 in words is "fifty-five billion, three hundred fifty-two million, three hundred thirty-two thousand, one hundred twelve".