52317503 has 4 divisors (see below), whose sum is σ = 59791440. Its totient is φ = 44843568.

The previous prime is 52317497. The next prime is 52317509. The reversal of 52317503 is 30571325.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (52317497) and next prime (52317509).

It is not a de Polignac number, because 52317503 - 2¹⁶ = 52251967 is a prime.

It is a super-4 number, since 4×52317503⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52317509) 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, 3736958 + ... + 3736971.

It is an arithmetic number, because the mean of its divisors is an integer number (14947860).

Almost surely, 2^52317503 is an apocalyptic number.

52317503 is a deficient number, since it is larger than the sum of its proper divisors (7473937).

52317503 is an equidigital number, since it uses as much as digits as its factorization.

52317503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473936.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 52317503 is about 7233.0839204312. The cubic root of 52317503 is about 374.0092436733.

Adding to 52317503 its reverse (30571325), we get a palindrome (82888828).

The spelling of 52317503 in words is "fifty-two million, three hundred seventeen thousand, five hundred three".