5550311320000 has 140 divisors (see below), whose sum is σ = 13771841193880. Its totient is φ = 2218693248000.

The previous prime is 5550311319979. The next prime is 5550311320007. The reversal of 5550311320000 is 231130555.

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 (5550311320007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63116062 + ... + 63203938.

It is an arithmetic number, because the mean of its divisors is an integer number (98370294242).

Almost surely, 2^{5550311320000} is an apocalyptic number.

5550311320000 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 5550311320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6885920596940).

5550311320000 is an abundant number, since it is smaller than the sum of its proper divisors (8221529873880).

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

5550311320000 is an equidigital number, since it uses as much as digits as its factorization.

5550311320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89488 (or 89463 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 5550311320000 its reverse (231130555), we get a palindrome (5550542450555).

The spelling of 5550311320000 in words is "five trillion, five hundred fifty billion, three hundred eleven million, three hundred twenty thousand".