53523765 has 12 divisors (see below), whose sum is σ = 92774604. Its totient is φ = 28545984.

The previous prime is 53523751. The next prime is 53523773. The reversal of 53523765 is 56732535.

53523765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33246756 + 20277009 = 5766^2 + 4503^2 .

It is not a de Polignac number, because 53523765 - 2⁴ = 53523749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594664 + ... + 594753.

It is an arithmetic number, because the mean of its divisors is an integer number (7731217).

Almost surely, 2^53523765 is an apocalyptic number.

It is an amenable number.

53523765 is a deficient number, since it is larger than the sum of its proper divisors (39250839).

53523765 is a wasteful number, since it uses less digits than its factorization.

53523765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189428 (or 1189425 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 53523765 is about 7315.9937807519. The cubic root of 53523765 is about 376.8618870383.

The spelling of 53523765 in words is "fifty-three million, five hundred twenty-three thousand, seven hundred sixty-five".