53247415 has 16 divisors (see below), whose sum is σ = 71805888. Its totient is φ = 37610496.

The previous prime is 53247413. The next prime is 53247419. The reversal of 53247415 is 51474235.

It is a cyclic number.

It is not a de Polignac number, because 53247415 - 2¹ = 53247413 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 (53247413) 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 15 ways as a sum of consecutive naturals, for example, 16314 + ... + 19303.

It is an arithmetic number, because the mean of its divisors is an integer number (4487868).

Almost surely, 2^53247415 is an apocalyptic number.

53247415 is a deficient number, since it is larger than the sum of its proper divisors (18558473).

53247415 is a wasteful number, since it uses less digits than its factorization.

53247415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35658.

The product of its digits is 16800, while the sum is 31.

The square root of 53247415 is about 7297.0826362321. The cubic root of 53247415 is about 376.2121722951.

The spelling of 53247415 in words is "fifty-three million, two hundred forty-seven thousand, four hundred fifteen".