53565205023 has 24 divisors (see below), whose sum is σ = 88848190080. Its totient is φ = 30755140560.

The previous prime is 53565205013. The next prime is 53565205027. The reversal of 53565205023 is 32050256535.

53565205023 is a `hidden beast` number, since 5 + 3 + 565 + 20 + 50 + 23 = 666.

It is not a de Polignac number, because 53565205023 - 2¹³ = 53565196831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53565205027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 14236611 + ... + 14240372.

It is an arithmetic number, because the mean of its divisors is an integer number (3702007920).

Almost surely, 2^53565205023 is an apocalyptic number.

53565205023 is a deficient number, since it is larger than the sum of its proper divisors (35282985057).

53565205023 is a wasteful number, since it uses less digits than its factorization.

53565205023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28477019 (or 28477016 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 53565205023 in words is "fifty-three billion, five hundred sixty-five million, two hundred five thousand, twenty-three".