53424647 has 4 divisors (see below), whose sum is σ = 53440440. Its totient is φ = 53408856.

The previous prime is 53424643. The next prime is 53424673. The reversal of 53424647 is 74642435.

53424647 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.

It is a cyclic number.

It is not a de Polignac number, because 53424647 - 2² = 53424643 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 (53424643) by changing a digit.

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, 533 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (13360110).

Almost surely, 2^53424647 is an apocalyptic number.

53424647 is a deficient number, since it is larger than the sum of its proper divisors (15793).

53424647 is a wasteful number, since it uses less digits than its factorization.

53424647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792.

The product of its digits is 80640, while the sum is 35.

The square root of 53424647 is about 7309.2165790870. The cubic root of 53424647 is about 376.6291126925.

The spelling of 53424647 in words is "fifty-three million, four hundred twenty-four thousand, six hundred forty-seven".