55125232000000 has 616 divisors, whose sum is σ = 146086762878000. Its totient is φ = 20732313600000.

The previous prime is 55125231999991. The next prime is 55125232000001. The reversal of 55125232000000 is 23252155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55125232000001) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 45295999392 + ... + 45296000608.

Almost surely, 2^{55125232000000} is an apocalyptic number.

55125232000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55125232000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73043381439000).

55125232000000 is an abundant number, since it is smaller than the sum of its proper divisors (90961530878000).

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

55125232000000 is an equidigital number, since it uses as much as digits as its factorization.

55125232000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 55125232000000 its reverse (23252155), we get a palindrome (55125255252155).

The spelling of 55125232000000 in words is "fifty-five trillion, one hundred twenty-five billion, two hundred thirty-two million", and thus it is an aban number.