53547643 has 4 divisors (see below), whose sum is σ = 56365960. Its totient is φ = 50729328.

The previous prime is 53547631. The next prime is 53547647. The reversal of 53547643 is 34674535.

53547643 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 53547643 - 2²¹ = 51450491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53547647) 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, 1409130 + ... + 1409167.

It is an arithmetic number, because the mean of its divisors is an integer number (14091490).

Almost surely, 2^53547643 is an apocalyptic number.

53547643 is a deficient number, since it is larger than the sum of its proper divisors (2818317).

53547643 is a wasteful number, since it uses less digits than its factorization.

53547643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818316.

The product of its digits is 151200, while the sum is 37.

The square root of 53547643 is about 7317.6255028527. The cubic root of 53547643 is about 376.9179205299.

The spelling of 53547643 in words is "fifty-three million, five hundred forty-seven thousand, six hundred forty-three".