53243253455 has 32 divisors (see below), whose sum is σ = 75406491648. Its totient is φ = 35317065600.

The previous prime is 53243253439. The next prime is 53243253461. The reversal of 53243253455 is 55435234235.

It is a happy number.

It is not a de Polignac number, because 53243253455 - 2⁴ = 53243253439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2965034 + ... + 2982936.

It is an arithmetic number, because the mean of its divisors is an integer number (2356452864).

Almost surely, 2^53243253455 is an apocalyptic number.

53243253455 is a deficient number, since it is larger than the sum of its proper divisors (22163238193).

53243253455 is a wasteful number, since it uses less digits than its factorization.

53243253455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20687.

The product of its digits is 1080000, while the sum is 41.

The spelling of 53243253455 in words is "fifty-three billion, two hundred forty-three million, two hundred fifty-three thousand, four hundred fifty-five".