53115235525 has 12 divisors (see below), whose sum is σ = 71850428064. Its totient is φ = 38629262000.

The previous prime is 53115235519. The next prime is 53115235529. The reversal of 53115235525 is 52553251135.

It is not a de Polignac number, because 53115235525 - 2³ = 53115235517 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 (53115235529) 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 11 ways as a sum of consecutive naturals, for example, 96572881 + ... + 96573430.

It is an arithmetic number, because the mean of its divisors is an integer number (5987535672).

Almost surely, 2^53115235525 is an apocalyptic number.

53115235525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53115235525 is a deficient number, since it is larger than the sum of its proper divisors (18735192539).

53115235525 is a wasteful number, since it uses less digits than its factorization.

53115235525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193146332 (or 193146327 counting only the distinct ones).

The product of its digits is 112500, while the sum is 37.

The spelling of 53115235525 in words is "fifty-three billion, one hundred fifteen million, two hundred thirty-five thousand, five hundred twenty-five".