53385165423 has 8 divisors (see below), whose sum is σ = 79089134000. Its totient is φ = 35590110264.

The previous prime is 53385165409. The next prime is 53385165439. The reversal of 53385165423 is 32456158335.

53385165423 is a `hidden beast` number, since 53 + 3 + 8 + 51 + 6 + 542 + 3 = 666.

It is not a de Polignac number, because 53385165423 - 2¹⁸ = 53384903279 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 (53385165623) 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 7 ways as a sum of consecutive naturals, for example, 988614148 + ... + 988614201.

It is an arithmetic number, because the mean of its divisors is an integer number (9886141750).

Almost surely, 2^53385165423 is an apocalyptic number.

53385165423 is a deficient number, since it is larger than the sum of its proper divisors (25703968577).

53385165423 is a wasteful number, since it uses less digits than its factorization.

53385165423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977228358 (or 1977228352 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 53385165423 in words is "fifty-three billion, three hundred eighty-five million, one hundred sixty-five thousand, four hundred twenty-three".