53242847 has 4 divisors (see below), whose sum is σ = 60848976. Its totient is φ = 45636720.

The previous prime is 53242831. The next prime is 53242859. The reversal of 53242847 is 74824235.

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 53242847 - 2⁴ = 53242831 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 (53242817) 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 3 ways as a sum of consecutive naturals, for example, 3803054 + ... + 3803067.

It is an arithmetic number, because the mean of its divisors is an integer number (15212244).

Almost surely, 2^53242847 is an apocalyptic number.

53242847 is a deficient number, since it is larger than the sum of its proper divisors (7606129).

53242847 is an equidigital number, since it uses as much as digits as its factorization.

53242847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606128.

The product of its digits is 53760, while the sum is 35.

The square root of 53242847 is about 7296.7696277188. The cubic root of 53242847 is about 376.2014137988.

The spelling of 53242847 in words is "fifty-three million, two hundred forty-two thousand, eight hundred forty-seven".