52731563 has 4 divisors (see below), whose sum is σ = 53198328. Its totient is φ = 52264800.

The previous prime is 52731463. The next prime is 52731577. The reversal of 52731563 is 36513725.

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 52731563 - 2⁸ = 52731307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52731463) 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, 233213 + ... + 233438.

It is an arithmetic number, because the mean of its divisors is an integer number (13299582).

Almost surely, 2^52731563 is an apocalyptic number.

52731563 is a deficient number, since it is larger than the sum of its proper divisors (466765).

52731563 is a wasteful number, since it uses less digits than its factorization.

52731563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466764.

The product of its digits is 18900, while the sum is 32.

The square root of 52731563 is about 7261.6501568170. The cubic root of 52731563 is about 374.9933344000.

The spelling of 52731563 in words is "fifty-two million, seven hundred thirty-one thousand, five hundred sixty-three".