533233553550 has 96 divisors (see below), whose sum is σ = 1337357260800. Its totient is φ = 140594866560.

The previous prime is 533233553539. The next prime is 533233553551. The reversal of 533233553550 is 55355332335.

It is a super-4 number, since 4×533233553550⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533233553551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7797607 + ... + 7865693.

It is an arithmetic number, because the mean of its divisors is an integer number (13930804800).

Almost surely, 2^533233553550 is an apocalyptic number.

533233553550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 533233553550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668678630400).

533233553550 is an abundant number, since it is smaller than the sum of its proper divisors (804123707250).

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

533233553550 is a wasteful number, since it uses less digits than its factorization.

533233553550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68690 (or 68685 counting only the distinct ones).

The product of its (nonzero) digits is 1518750, while the sum is 42.

Adding to 533233553550 its reverse (55355332335), we get a palindrome (588588885885).

The spelling of 533233553550 in words is "five hundred thirty-three billion, two hundred thirty-three million, five hundred fifty-three thousand, five hundred fifty".