53660202263 has 4 divisors (see below), whose sum is σ = 54306710808. Its totient is φ = 53013693720.

The previous prime is 53660202241. The next prime is 53660202317. The reversal of 53660202263 is 36220206635.

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 53660202263 - 2¹² = 53660198167 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 (53660202223) 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, 323254148 + ... + 323254313.

It is an arithmetic number, because the mean of its divisors is an integer number (13576677702).

Almost surely, 2^53660202263 is an apocalyptic number.

53660202263 is a deficient number, since it is larger than the sum of its proper divisors (646508545).

53660202263 is an equidigital number, since it uses as much as digits as its factorization.

53660202263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646508544.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 53660202263 its reverse (36220206635), we get a palindrome (89880408898).

The spelling of 53660202263 in words is "fifty-three billion, six hundred sixty million, two hundred two thousand, two hundred sixty-three".