53416643 has 16 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 44924352.

The previous prime is 53416631. The next prime is 53416661. The reversal of 53416643 is 34661435.

53416643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53416643 - 2⁸ = 53416387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53416673) 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 15 ways as a sum of consecutive naturals, for example, 111278 + ... + 111756.

It is an arithmetic number, because the mean of its divisors is an integer number (3888000).

Almost surely, 2^53416643 is an apocalyptic number.

53416643 is a deficient number, since it is larger than the sum of its proper divisors (8791357).

53416643 is a wasteful number, since it uses less digits than its factorization.

53416643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its digits is 25920, while the sum is 32.

The square root of 53416643 is about 7308.6690306786. The cubic root of 53416643 is about 376.6103030846.

The spelling of 53416643 in words is "fifty-three million, four hundred sixteen thousand, six hundred forty-three".