53500511023 has 4 divisors (see below), whose sum is σ = 53891025840. Its totient is φ = 53109996208.

The previous prime is 53500510997. The next prime is 53500511039. The reversal of 53500511023 is 32011500535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53500511023 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 (53500517023) 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 3 ways as a sum of consecutive naturals, for example, 195257203 + ... + 195257476.

It is an arithmetic number, because the mean of its divisors is an integer number (13472756460).

Almost surely, 2^53500511023 is an apocalyptic number.

53500511023 is a deficient number, since it is larger than the sum of its proper divisors (390514817).

53500511023 is a wasteful number, since it uses less digits than its factorization.

53500511023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390514816.

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 53500511023 in words is "fifty-three billion, five hundred million, five hundred eleven thousand, twenty-three".