53438383 has 4 divisors (see below), whose sum is σ = 53543880. Its totient is φ = 53332888.

The previous prime is 53438377. The next prime is 53438401. The reversal of 53438383 is 38383435.

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 53438383 - 2⁵ = 53438351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53438183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51985 + ... + 53002.

It is an arithmetic number, because the mean of its divisors is an integer number (13385970).

Almost surely, 2^53438383 is an apocalyptic number.

53438383 is a deficient number, since it is larger than the sum of its proper divisors (105497).

53438383 is a wasteful number, since it uses less digits than its factorization.

53438383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105496.

The product of its digits is 103680, while the sum is 37.

The square root of 53438383 is about 7310.1561542829. The cubic root of 53438383 is about 376.6613882711.

The spelling of 53438383 in words is "fifty-three million, four hundred thirty-eight thousand, three hundred eighty-three".