53560709 has 4 divisors (see below), whose sum is σ = 55407660. Its totient is φ = 51713760.

The previous prime is 53560691. The next prime is 53560733. The reversal of 53560709 is 90706535.

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 25502500 + 28058209 = 5050^2 + 5297^2 .

It is a cyclic number.

It is not a de Polignac number, because 53560709 - 2¹⁶ = 53495173 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 (53560789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923432 + ... + 923489.

It is an arithmetic number, because the mean of its divisors is an integer number (13851915).

Almost surely, 2^53560709 is an apocalyptic number.

It is an amenable number.

53560709 is a deficient number, since it is larger than the sum of its proper divisors (1846951).

53560709 is a wasteful number, since it uses less digits than its factorization.

53560709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846950.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 53560709 is about 7318.5182243402. The cubic root of 53560709 is about 376.9485749077.

The spelling of 53560709 in words is "fifty-three million, five hundred sixty thousand, seven hundred nine".