533531663250 has 128 divisors (see below), whose sum is σ = 1341363179520. Its totient is φ = 141245841600.

The previous prime is 533531663237. The next prime is 533531663263. The reversal of 533531663250 is 52366135335.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (533531663237) and next prime (533531663263).

It is a super-2 number, since 2×533531663250² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62477481 + ... + 62486019.

It is an arithmetic number, because the mean of its divisors is an integer number (10479399840).

Almost surely, 2^533531663250 is an apocalyptic number.

533531663250 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 533531663250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670681589760).

533531663250 is an abundant number, since it is smaller than the sum of its proper divisors (807831516270).

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

533531663250 is a wasteful number, since it uses less digits than its factorization.

533531663250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153 (or 9143 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 42.

Adding to 533531663250 its reverse (52366135335), we get a palindrome (585897798585).

The spelling of 533531663250 in words is "five hundred thirty-three billion, five hundred thirty-one million, six hundred sixty-three thousand, two hundred fifty".