53396845 has 4 divisors (see below), whose sum is σ = 64076220. Its totient is φ = 42717472.

The previous prime is 53396839. The next prime is 53396857. The reversal of 53396845 is 54869335.

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 27478564 + 25918281 = 5242^2 + 5091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53396845 is a prime.

It is a congruent number.

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, 5339680 + ... + 5339689.

It is an arithmetic number, because the mean of its divisors is an integer number (16019055).

Almost surely, 2^53396845 is an apocalyptic number.

It is an amenable number.

53396845 is a deficient number, since it is larger than the sum of its proper divisors (10679375).

53396845 is a wasteful number, since it uses less digits than its factorization.

53396845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10679374.

The product of its digits is 388800, while the sum is 43.

The square root of 53396845 is about 7307.3144861844. The cubic root of 53396845 is about 376.5637691974.

The spelling of 53396845 in words is "fifty-three million, three hundred ninety-six thousand, eight hundred forty-five".