53427531 has 8 divisors (see below), whose sum is σ = 71533264. Its totient is φ = 35470080.

The previous prime is 53427529. The next prime is 53427589. The reversal of 53427531 is 13572435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53427531 - 2¹ = 53427529 is a prime.

It is a super-2 number, since 2×53427531² = 5709002137511922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53427511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36226 + ... + 37671.

It is an arithmetic number, because the mean of its divisors is an integer number (8941658).

Almost surely, 2^53427531 is an apocalyptic number.

53427531 is a deficient number, since it is larger than the sum of its proper divisors (18105733).

53427531 is a wasteful number, since it uses less digits than its factorization.

53427531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74141.

The product of its digits is 12600, while the sum is 30.

The square root of 53427531 is about 7309.4138615897. The cubic root of 53427531 is about 376.6358897069.

Adding to 53427531 its reverse (13572435), we get a palindrome (66999966).

The spelling of 53427531 in words is "fifty-three million, four hundred twenty-seven thousand, five hundred thirty-one".