52531573 has 4 divisors (see below), whose sum is σ = 52653888. Its totient is φ = 52409260.

The previous prime is 52531559. The next prime is 52531597. The reversal of 52531573 is 37513525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52531573 - 2²¹ = 50434421 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52535573) 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, 60511 + ... + 61372.

It is an arithmetic number, because the mean of its divisors is an integer number (13163472).

Almost surely, 2^52531573 is an apocalyptic number.

It is an amenable number.

52531573 is a deficient number, since it is larger than the sum of its proper divisors (122315).

52531573 is a wasteful number, since it uses less digits than its factorization.

52531573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122314.

The product of its digits is 15750, while the sum is 31.

The square root of 52531573 is about 7247.8667896147. The cubic root of 52531573 is about 374.5186665942.

The spelling of 52531573 in words is "fifty-two million, five hundred thirty-one thousand, five hundred seventy-three".