53393944 has 8 divisors (see below), whose sum is σ = 100113660. Its totient is φ = 26696968.

The previous prime is 53393939. The next prime is 53393981. The reversal of 53393944 is 44939335.

53393944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 53393897 and 53393906.

It is a congruent 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 as a sum of consecutive naturals, namely, 3337114 + ... + 3337129.

Almost surely, 2^53393944 is an apocalyptic number.

It is an amenable number.

53393944 is a deficient number, since it is larger than the sum of its proper divisors (46719716).

53393944 is a wasteful number, since it uses less digits than its factorization.

53393944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6674249 (or 6674245 counting only the distinct ones).

The product of its digits is 174960, while the sum is 40.

The square root of 53393944 is about 7307.1159837517. The cubic root of 53393944 is about 376.5569496229.

The spelling of 53393944 in words is "fifty-three million, three hundred ninety-three thousand, nine hundred forty-four".