55551243352 has 64 divisors (see below), whose sum is σ = 117403868160. Its totient is φ = 24412924800.

The previous prime is 55551243343. The next prime is 55551243353. The reversal of 55551243352 is 25334215555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551243353) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3054478 + ... + 3072610.

It is an arithmetic number, because the mean of its divisors is an integer number (1834435440).

Almost surely, 2^55551243352 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 55551243352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58701934080).

55551243352 is an abundant number, since it is smaller than the sum of its proper divisors (61852624808).

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

55551243352 is a wasteful number, since it uses less digits than its factorization.

55551243352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19304 (or 19300 counting only the distinct ones).

The product of its digits is 450000, while the sum is 40.

The spelling of 55551243352 in words is "fifty-five billion, five hundred fifty-one million, two hundred forty-three thousand, three hundred fifty-two".