53235745 has 4 divisors (see below), whose sum is σ = 63882900. Its totient is φ = 42588592.

The previous prime is 53235727. The next prime is 53235757. The reversal of 53235745 is 54753235.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15928081 + 37307664 = 3991^2 + 6108^2 .

It is a cyclic number.

It is not a de Polignac number, because 53235745 - 2⁹ = 53235233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53235745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5323570 + ... + 5323579.

It is an arithmetic number, because the mean of its divisors is an integer number (15970725).

Almost surely, 2^53235745 is an apocalyptic number.

It is an amenable number.

53235745 is a deficient number, since it is larger than the sum of its proper divisors (10647155).

53235745 is a wasteful number, since it uses less digits than its factorization.

53235745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10647154.

The product of its digits is 63000, while the sum is 34.

The square root of 53235745 is about 7296.2829577806. The cubic root of 53235745 is about 376.1846860354.

The spelling of 53235745 in words is "fifty-three million, two hundred thirty-five thousand, seven hundred forty-five".