551533496196800 has 336 divisors, whose sum is σ = 1542491957529600. Its totient is φ = 192415987814400.

The previous prime is 551533496196713. The next prime is 551533496196841. The reversal of 551533496196800 is 8691694335155.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147939665 + ... + 151621935.

It is an arithmetic number, because the mean of its divisors is an integer number (4590749873600).

Almost surely, 2^{551533496196800} is an apocalyptic number.

551533496196800 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 551533496196800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771245978764800).

551533496196800 is an abundant number, since it is smaller than the sum of its proper divisors (990958461332800).

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

551533496196800 is a wasteful number, since it uses less digits than its factorization.

551533496196800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682704 (or 3682689 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 65.

The spelling of 551533496196800 in words is "five hundred fifty-one trillion, five hundred thirty-three billion, four hundred ninety-six million, one hundred ninety-six thousand, eight hundred".