53545843 has 8 divisors (see below), whose sum is σ = 58260608. Its totient is φ = 48916224.

The previous prime is 53545829. The next prime is 53545883. The reversal of 53545843 is 34854535.

53545843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53545843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53545883) 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 7 ways as a sum of consecutive naturals, for example, 19971 + ... + 22492.

It is an arithmetic number, because the mean of its divisors is an integer number (7282576).

Almost surely, 2^53545843 is an apocalyptic number.

53545843 is a deficient number, since it is larger than the sum of its proper divisors (4714765).

53545843 is a wasteful number, since it uses less digits than its factorization.

53545843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573.

The product of its digits is 144000, while the sum is 37.

The square root of 53545843 is about 7317.5025111031. The cubic root of 53545843 is about 376.9136971267.

The spelling of 53545843 in words is "fifty-three million, five hundred forty-five thousand, eight hundred forty-three".