53513293 has 4 divisors (see below), whose sum is σ = 53854300. Its totient is φ = 53172288.

The previous prime is 53513279. The next prime is 53513309. The reversal of 53513293 is 39231535.

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 29571844 + 23941449 = 5438^2 + 4893^2 .

It is a cyclic number.

It is not a de Polignac number, because 53513293 - 2⁵ = 53513261 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 (53513233) 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, 170268 + ... + 170581.

It is an arithmetic number, because the mean of its divisors is an integer number (13463575).

Almost surely, 2^53513293 is an apocalyptic number.

It is an amenable number.

53513293 is a deficient number, since it is larger than the sum of its proper divisors (341007).

53513293 is a wasteful number, since it uses less digits than its factorization.

53513293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341006.

The product of its digits is 12150, while the sum is 31.

The square root of 53513293 is about 7315.2780534987. The cubic root of 53513293 is about 376.8373075822.

The spelling of 53513293 in words is "fifty-three million, five hundred thirteen thousand, two hundred ninety-three".