53007565 has 8 divisors (see below), whose sum is σ = 68502168. Its totient is φ = 39144000.

The previous prime is 53007557. The next prime is 53007589. The reversal of 53007565 is 56570035.

53007565 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 4 ways, for example, as 561001 + 52446564 = 749^2 + 7242^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53007565 - 2³ = 53007557 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 407686 + ... + 407815.

It is an arithmetic number, because the mean of its divisors is an integer number (8562771).

Almost surely, 2^53007565 is an apocalyptic number.

It is an amenable number.

53007565 is a deficient number, since it is larger than the sum of its proper divisors (15494603).

53007565 is a wasteful number, since it uses less digits than its factorization.

53007565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815519.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 53007565 is about 7280.6294370748. The cubic root of 53007565 is about 375.6464464597.

The spelling of 53007565 in words is "fifty-three million, seven thousand, five hundred sixty-five".