53440706 has 16 divisors (see below), whose sum is σ = 88682688. Its totient is φ = 23948400.

The previous prime is 53440693. The next prime is 53440729. The reversal of 53440706 is 60704435.

53440706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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, 15545 + ... + 18668.

It is an arithmetic number, because the mean of its divisors is an integer number (5542668).

Almost surely, 2^53440706 is an apocalyptic number.

53440706 is a deficient number, since it is larger than the sum of its proper divisors (35241982).

53440706 is a wasteful number, since it uses less digits than its factorization.

53440706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34297.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 53440706 is about 7310.3150410909. The cubic root of 53440706 is about 376.6668460942. Note that the first 3 decimals are identical.

The spelling of 53440706 in words is "fifty-three million, four hundred forty thousand, seven hundred six".