53564545 has 4 divisors (see below), whose sum is σ = 64277460. Its totient is φ = 42851632.

The previous prime is 53564519. The next prime is 53564579. The reversal of 53564545 is 54546535.

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 15335056 + 38229489 = 3916^2 + 6183^2 .

It is a cyclic number.

It is not a de Polignac number, because 53564545 - 2¹¹ = 53562497 is a prime.

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, 5356450 + ... + 5356459.

It is an arithmetic number, because the mean of its divisors is an integer number (16069365).

Almost surely, 2^53564545 is an apocalyptic number.

It is an amenable number.

53564545 is a deficient number, since it is larger than the sum of its proper divisors (10712915).

53564545 is a wasteful number, since it uses less digits than its factorization.

53564545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712914.

The product of its digits is 180000, while the sum is 37.

The square root of 53564545 is about 7318.7802945573. The cubic root of 53564545 is about 376.9575736697.

The spelling of 53564545 in words is "fifty-three million, five hundred sixty-four thousand, five hundred forty-five".