52940263 has 4 divisors (see below), whose sum is σ = 53082568. Its totient is φ = 52797960.

The previous prime is 52940233. The next prime is 52940291. The reversal of 52940263 is 36204925.

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 52940263 - 2¹³ = 52932071 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 (52940203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70593 + ... + 71338.

It is an arithmetic number, because the mean of its divisors is an integer number (13270642).

Almost surely, 2^52940263 is an apocalyptic number.

52940263 is a deficient number, since it is larger than the sum of its proper divisors (142305).

52940263 is a wasteful number, since it uses less digits than its factorization.

52940263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142304.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 52940263 is about 7276.0059785572. The cubic root of 52940263 is about 375.4873970580.

The spelling of 52940263 in words is "fifty-two million, nine hundred forty thousand, two hundred sixty-three".