53287315 has 4 divisors (see below), whose sum is σ = 63944784. Its totient is φ = 42629848.

The previous prime is 53287307. The next prime is 53287327. The reversal of 53287315 is 51378235.

53287315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51378235 = 5 ⋅10275647.

It is a cyclic number.

It is not a de Polignac number, because 53287315 - 2³ = 53287307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5328727 + ... + 5328736.

It is an arithmetic number, because the mean of its divisors is an integer number (15986196).

Almost surely, 2^53287315 is an apocalyptic number.

53287315 is a deficient number, since it is larger than the sum of its proper divisors (10657469).

53287315 is a wasteful number, since it uses less digits than its factorization.

53287315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657468.

The product of its digits is 25200, while the sum is 34.

The square root of 53287315 is about 7299.8160935739. The cubic root of 53287315 is about 376.3061181255.

The spelling of 53287315 in words is "fifty-three million, two hundred eighty-seven thousand, three hundred fifteen".