52263503 has 4 divisors (see below), whose sum is σ = 52802400. Its totient is φ = 51724608.

The previous prime is 52263493. The next prime is 52263511. The reversal of 52263503 is 30536225.

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 52263503 - 2¹⁶ = 52197967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52263403) 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, 269303 + ... + 269496.

It is an arithmetic number, because the mean of its divisors is an integer number (13200600).

Almost surely, 2^52263503 is an apocalyptic number.

52263503 is a deficient number, since it is larger than the sum of its proper divisors (538897).

52263503 is an equidigital number, since it uses as much as digits as its factorization.

52263503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538896.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 52263503 is about 7229.3501091039. The cubic root of 52263503 is about 373.8805203292.

Adding to 52263503 its reverse (30536225), we get a palindrome (82799728).

The spelling of 52263503 in words is "fifty-two million, two hundred sixty-three thousand, five hundred three".