52220503 has 4 divisors (see below), whose sum is σ = 54021240. Its totient is φ = 50419768.

The previous prime is 52220479. The next prime is 52220543. The reversal of 52220503 is 30502225.

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 52220503 - 2⁵ = 52220471 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 (52220543) 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, 900325 + ... + 900382.

It is an arithmetic number, because the mean of its divisors is an integer number (13505310).

Almost surely, 2^52220503 is an apocalyptic number.

52220503 is a deficient number, since it is larger than the sum of its proper divisors (1800737).

52220503 is a wasteful number, since it uses less digits than its factorization.

52220503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800736.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 52220503 is about 7226.3755092024. The cubic root of 52220503 is about 373.7779549789. Note that the first 3 decimals are identical.

Adding to 52220503 its reverse (30502225), we get a palindrome (82722728).

It can be divided in two parts, 522 and 20503, that added together give a square (21025 = 145²).

The spelling of 52220503 in words is "fifty-two million, two hundred twenty thousand, five hundred three".