52533481 has 36 divisors (see below), whose sum is σ = 71654016. Its totient is φ = 37683360.

The previous prime is 52533473. The next prime is 52533493. The reversal of 52533481 is 18433525.

It is not a de Polignac number, because 52533481 - 2³ = 52533473 is a prime.

It is a super-2 number, since 2×52533481² = 5519533251954722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52533431) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 142960 + ... + 143326.

Almost surely, 2^52533481 is an apocalyptic number.

It is an amenable number.

52533481 is a deficient number, since it is larger than the sum of its proper divisors (19120535).

52533481 is a wasteful number, since it uses less digits than its factorization.

52533481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 398 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 52533481 is about 7247.9984133552. The cubic root of 52533481 is about 374.5232008386.

The spelling of 52533481 in words is "fifty-two million, five hundred thirty-three thousand, four hundred eighty-one".