53944369 has 4 divisors (see below), whose sum is σ = 54186496. Its totient is φ = 53702244.

The previous prime is 53944367. The next prime is 53944399. The reversal of 53944369 is 96344935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53944369 - 2¹ = 53944367 is a prime.

It is a super-2 number, since 2×53944369² = 5819989893616322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53944367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120729 + ... + 121174.

It is an arithmetic number, because the mean of its divisors is an integer number (13546624).

Almost surely, 2^53944369 is an apocalyptic number.

It is an amenable number.

53944369 is a deficient number, since it is larger than the sum of its proper divisors (242127).

53944369 is a wasteful number, since it uses less digits than its factorization.

53944369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242126.

The product of its digits is 349920, while the sum is 43.

The square root of 53944369 is about 7344.6830428549. The cubic root of 53944369 is about 377.8464728371.

The spelling of 53944369 in words is "fifty-three million, nine hundred forty-four thousand, three hundred sixty-nine".