53015299 has 8 divisors (see below), whose sum is σ = 58574880. Its totient is φ = 47726976.

The previous prime is 53015293. The next prime is 53015309. The reversal of 53015299 is 99251035.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53015299 - 2¹¹ = 53013251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53015293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67404 + ... + 68185.

It is an arithmetic number, because the mean of its divisors is an integer number (7321860).

Almost surely, 2^53015299 is an apocalyptic number.

53015299 is a deficient number, since it is larger than the sum of its proper divisors (5559581).

53015299 is a wasteful number, since it uses less digits than its factorization.

53015299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135629.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 53015299 is about 7281.1605530987. The cubic root of 53015299 is about 375.6647149738.

The spelling of 53015299 in words is "fifty-three million, fifteen thousand, two hundred ninety-nine".