53533263 has 8 divisors (see below), whose sum is σ = 81574528. Its totient is φ = 30590424.

The previous prime is 53533261. The next prime is 53533273. The reversal of 53533263 is 36233535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53533263 - 2¹ = 53533261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53533263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53533261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274581 + ... + 1274622.

It is an arithmetic number, because the mean of its divisors is an integer number (10196816).

Almost surely, 2^53533263 is an apocalyptic number.

53533263 is a deficient number, since it is larger than the sum of its proper divisors (28041265).

53533263 is a wasteful number, since it uses less digits than its factorization.

53533263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549213.

The product of its digits is 24300, while the sum is 30.

The square root of 53533263 is about 7316.6428777138. The cubic root of 53533263 is about 376.8841775884.

Adding to 53533263 its reverse (36233535), we get a palindrome (89766798).

The spelling of 53533263 in words is "fifty-three million, five hundred thirty-three thousand, two hundred sixty-three".