53453315 has 4 divisors (see below), whose sum is σ = 64143984. Its totient is φ = 42762648.

The previous prime is 53453297. The next prime is 53453317. The reversal of 53453315 is 51335435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53453315 - 2¹⁰ = 53452291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53453317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345327 + ... + 5345336.

It is an arithmetic number, because the mean of its divisors is an integer number (16035996).

Almost surely, 2^53453315 is an apocalyptic number.

53453315 is a deficient number, since it is larger than the sum of its proper divisors (10690669).

53453315 is a wasteful number, since it uses less digits than its factorization.

53453315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690668.

The product of its digits is 13500, while the sum is 29.

The square root of 53453315 is about 7311.1774017596. The cubic root of 53453315 is about 376.6964678260.

The spelling of 53453315 in words is "fifty-three million, four hundred fifty-three thousand, three hundred fifteen".