52420263 has 32 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 28899840.

The previous prime is 52420253. The next prime is 52420271. The reversal of 52420263 is 36202425.

It is not a de Polignac number, because 52420263 - 2¹⁰ = 52419239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52420253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91843 + ... + 92411.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^52420263 is an apocalyptic number.

52420263 is a deficient number, since it is larger than the sum of its proper divisors (30316377).

52420263 is a wasteful number, since it uses less digits than its factorization.

52420263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 52420263 is about 7240.1839065040. The cubic root of 52420263 is about 374.2539549847.

Adding to 52420263 its reverse (36202425), we get a palindrome (88622688).

The spelling of 52420263 in words is "fifty-two million, four hundred twenty thousand, two hundred sixty-three".