53840738 has 32 divisors (see below), whose sum is σ = 96104448. Its totient is φ = 22136400.

The previous prime is 53840713. The next prime is 53840747. The reversal of 53840738 is 83704835.

It is a happy number.

53840738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 56381 + ... + 57327.

It is an arithmetic number, because the mean of its divisors is an integer number (3003264).

Almost surely, 2^53840738 is an apocalyptic number.

53840738 is a deficient number, since it is larger than the sum of its proper divisors (42263710).

53840738 is a wasteful number, since it uses less digits than its factorization.

53840738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 53840738 is about 7337.6248200627. The cubic root of 53840738 is about 377.6043610124.

The spelling of 53840738 in words is "fifty-three million, eight hundred forty thousand, seven hundred thirty-eight".