53541531 has 18 divisors (see below), whose sum is σ = 79292460. Its totient is φ = 34813920.

The previous prime is 53541503. The next prime is 53541533. The reversal of 53541531 is 13514535.

It is not a de Polignac number, because 53541531 - 2¹⁰ = 53540507 is a prime.

It is a super-2 number, since 2×53541531² = 5733391083647922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53541495 and 53541504.

It is not an unprimeable number, because it can be changed into a prime (53541533) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13360 + ... + 16898.

Almost surely, 2^53541531 is an apocalyptic number.

53541531 is a deficient number, since it is larger than the sum of its proper divisors (25750929).

53541531 is a wasteful number, since it uses less digits than its factorization.

53541531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3583 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 53541531 is about 7317.2078691260. The cubic root of 53541531 is about 376.9035793447.

The spelling of 53541531 in words is "fifty-three million, five hundred forty-one thousand, five hundred thirty-one".