52403523 has 4 divisors (see below), whose sum is σ = 69871368. Its totient is φ = 34935680.

The previous prime is 52403513. The next prime is 52403557. The reversal of 52403523 is 32530425.

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 52403523 - 2⁹ = 52403011 is a prime.

It is a super-2 number, since 2×52403523² = 5492258445623058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52403493 and 52403502.

It is not an unprimeable number, because it can be changed into a prime (52403513) 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, 8733918 + ... + 8733923.

It is an arithmetic number, because the mean of its divisors is an integer number (17467842).

Almost surely, 2^52403523 is an apocalyptic number.

52403523 is a deficient number, since it is larger than the sum of its proper divisors (17467845).

52403523 is a wasteful number, since it uses less digits than its factorization.

52403523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17467844.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 52403523 is about 7239.0277662128. The cubic root of 52403523 is about 374.2141123878.

Adding to 52403523 its reverse (32530425), we get a palindrome (84933948).

It can be divided in two parts, 5 and 2403523, that added together give a triangular number (2403528 = T₂₁₉₂).

The spelling of 52403523 in words is "fifty-two million, four hundred three thousand, five hundred twenty-three".