55133241320000 has 70 divisors (see below), whose sum is σ = 136712520269358. Its totient is φ = 22053296512000.

The previous prime is 55133241319931. The next prime is 55133241320041. The reversal of 55133241320000 is 2314233155.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 4992793615936 + 50140447704064 = 2234456^2 + 7080992^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 689125517 + ... + 689205516.

Almost surely, 2^{55133241320000} is an apocalyptic number.

55133241320000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55133241320000 is an abundant number, since it is smaller than the sum of its proper divisors (81579278949358).

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

55133241320000 is an equidigital number, since it uses as much as digits as its factorization.

55133241320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378331065 (or 1378331040 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 55133241320000 its reverse (2314233155), we get a palindrome (55135555553155).

The spelling of 55133241320000 in words is "fifty-five trillion, one hundred thirty-three billion, two hundred forty-one million, three hundred twenty thousand".