53736263 has 4 divisors (see below), whose sum is σ = 61412880. Its totient is φ = 46059648.

The previous prime is 53736253. The next prime is 53736271. The reversal of 53736263 is 36263735.

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 53736263 - 2¹⁰ = 53735239 is a prime.

It is a super-2 number, since 2×53736263² = 5775171922410338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53736203) 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, 3838298 + ... + 3838311.

It is an arithmetic number, because the mean of its divisors is an integer number (15353220).

Almost surely, 2^53736263 is an apocalyptic number.

53736263 is a deficient number, since it is larger than the sum of its proper divisors (7676617).

53736263 is an equidigital number, since it uses as much as digits as its factorization.

53736263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676616.

The product of its digits is 68040, while the sum is 35.

The square root of 53736263 is about 7330.5022338173. The cubic root of 53736263 is about 377.3599626774.

Adding to 53736263 its reverse (36263735), we get a palindrome (89999998).

The spelling of 53736263 in words is "fifty-three million, seven hundred thirty-six thousand, two hundred sixty-three".