53247351 has 8 divisors (see below), whose sum is σ = 72336240. Its totient is φ = 34828352.

The previous prime is 53247307. The next prime is 53247353. The reversal of 53247351 is 15374235.

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 53247351 - 2⁷ = 53247223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53247353) 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 7 ways as a sum of consecutive naturals, for example, 167286 + ... + 167603.

It is an arithmetic number, because the mean of its divisors is an integer number (9042030).

Almost surely, 2^53247351 is an apocalyptic number.

53247351 is a deficient number, since it is larger than the sum of its proper divisors (19088889).

53247351 is a wasteful number, since it uses less digits than its factorization.

53247351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334945.

The product of its digits is 12600, while the sum is 30.

The square root of 53247351 is about 7297.0782509166. The cubic root of 53247351 is about 376.2120215674.

The spelling of 53247351 in words is "fifty-three million, two hundred forty-seven thousand, three hundred fifty-one".