52693531 has 4 divisors (see below), whose sum is σ = 57483864. Its totient is φ = 47903200.

The previous prime is 52693519. The next prime is 52693559. The reversal of 52693531 is 13539625.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52693531 - 2¹⁵ = 52660763 is a prime.

It is a super-2 number, since 2×52693531² = 5553216418495922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52693231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395150 + ... + 2395171.

It is an arithmetic number, because the mean of its divisors is an integer number (14370966).

Almost surely, 2^52693531 is an apocalyptic number.

52693531 is a deficient number, since it is larger than the sum of its proper divisors (4790333).

52693531 is a wasteful number, since it uses less digits than its factorization.

52693531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790332.

The product of its digits is 24300, while the sum is 34.

The square root of 52693531 is about 7259.0309959388. The cubic root of 52693531 is about 374.9031595866.

The spelling of 52693531 in words is "fifty-two million, six hundred ninety-three thousand, five hundred thirty-one".