53235235243 has 12 divisors (see below), whose sum is σ = 56912784448. Its totient is φ = 49741463520.

The previous prime is 53235235187. The next prime is 53235235283. The reversal of 53235235243 is 34253253235.

It is a happy number.

It is not a de Polignac number, because 53235235243 - 2²⁹ = 52698364331 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53235235283) 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 11 ways as a sum of consecutive naturals, for example, 994896 + ... + 1047037.

Almost surely, 2^53235235243 is an apocalyptic number.

53235235243 is a deficient number, since it is larger than the sum of its proper divisors (3677549205).

53235235243 is a wasteful number, since it uses less digits than its factorization.

53235235243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042022 (or 2041993 counting only the distinct ones).

The product of its digits is 324000, while the sum is 37.

Adding to 53235235243 its reverse (34253253235), we get a palindrome (87488488478).

The spelling of 53235235243 in words is "fifty-three billion, two hundred thirty-five million, two hundred thirty-five thousand, two hundred forty-three".