53105525 has 24 divisors (see below), whose sum is σ = 74325600. Its totient is φ = 37284800.

The previous prime is 53105509. The next prime is 53105579. The reversal of 53105525 is 52550135.

It is not a de Polignac number, because 53105525 - 2⁴ = 53105509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53105494 and 53105503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4646 + ... + 11304.

It is an arithmetic number, because the mean of its divisors is an integer number (3096900).

Almost surely, 2^53105525 is an apocalyptic number.

53105525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53105525 is a deficient number, since it is larger than the sum of its proper divisors (21220075).

53105525 is a wasteful number, since it uses less digits than its factorization.

53105525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709 (or 6704 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 53105525 is about 7287.3537721178. The cubic root of 53105525 is about 375.8777070411.

The spelling of 53105525 in words is "fifty-three million, one hundred five thousand, five hundred twenty-five".