52120503 has 10 divisors (see below), whose sum is σ = 77859144. Its totient is φ = 34746948.

The previous prime is 52120483. The next prime is 52120547. The reversal of 52120503 is 30502125.

It is a happy number.

It is not a de Polignac number, because 52120503 - 2⁸ = 52120247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52120583) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 321651 + ... + 321812.

Almost surely, 2^52120503 is an apocalyptic number.

52120503 is a deficient number, since it is larger than the sum of its proper divisors (25738641).

52120503 is an equidigital number, since it uses as much as digits as its factorization.

52120503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643475 (or 643466 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52120503 is about 7219.4530956299. The cubic root of 52120503 is about 373.5392129924.

Adding to 52120503 its reverse (30502125), we get a palindrome (82622628).

The spelling of 52120503 in words is "fifty-two million, one hundred twenty thousand, five hundred three".