5381530533 has 24 divisors (see below), whose sum is σ = 7868952000. Its totient is φ = 3543813504.

The previous prime is 5381530519. The next prime is 5381530577. The reversal of 5381530533 is 3350351835.

It is a happy number.

It is not a de Polignac number, because 5381530533 - 2²⁶ = 5314421669 is a prime.

It is a super-2 number, since 2×5381530533² = 57921741755222528178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381530333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238141 + ... + 259757.

It is an arithmetic number, because the mean of its divisors is an integer number (327873000).

Almost surely, 2^5381530533 is an apocalyptic number.

It is an amenable number.

5381530533 is a deficient number, since it is larger than the sum of its proper divisors (2487421467).

5381530533 is a wasteful number, since it uses less digits than its factorization.

5381530533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21961 (or 21958 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 5381530533 is about 73358.9158384991. The cubic root of 5381530533 is about 1752.4081711858.

It can be divided in two parts, 53815 and 30533, that added together give a palindrome (84348).

The spelling of 5381530533 in words is "five billion, three hundred eighty-one million, five hundred thirty thousand, five hundred thirty-three".