53047215 has 24 divisors (see below), whose sum is σ = 99022560. Its totient is φ = 26115264.

The previous prime is 53047213. The next prime is 53047219. The reversal of 53047215 is 51274035.

It is a happy number.

It is not a de Polignac number, because 53047215 - 2¹ = 53047213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53047213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44755 + ... + 45924.

It is an arithmetic number, because the mean of its divisors is an integer number (4125940).

Almost surely, 2^53047215 is an apocalyptic number.

53047215 is a deficient number, since it is larger than the sum of its proper divisors (45975345).

53047215 is a wasteful number, since it uses less digits than its factorization.

53047215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90703 (or 90700 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 53047215 is about 7283.3519069176. The cubic root of 53047215 is about 375.7400851032.

The spelling of 53047215 in words is "fifty-three million, forty-seven thousand, two hundred fifteen".