52523331 has 16 divisors (see below), whose sum is σ = 82618368. Its totient is φ = 29044800.

The previous prime is 52523311. The next prime is 52523369. The reversal of 52523331 is 13332525.

It is a happy number.

It is not a de Polignac number, because 52523331 - 2⁶ = 52523267 is a prime.

It is a super-2 number, since 2×52523331² = 5517400598671122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52523311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39690 + ... + 40991.

It is an arithmetic number, because the mean of its divisors is an integer number (5163648).

Almost surely, 2^52523331 is an apocalyptic number.

52523331 is a deficient number, since it is larger than the sum of its proper divisors (30095037).

52523331 is a wasteful number, since it uses less digits than its factorization.

52523331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80722.

The product of its digits is 2700, while the sum is 24.

The square root of 52523331 is about 7247.2981862208. The cubic root of 52523331 is about 374.4990787278.

Adding to 52523331 its reverse (13332525), we get a palindrome (65855856).

It can be divided in two parts, 525 and 23331, that multiplied together give a triangular number (12248775 = T₄₉₄₉).

The spelling of 52523331 in words is "fifty-two million, five hundred twenty-three thousand, three hundred thirty-one".