53983965 has 32 divisors (see below), whose sum is σ = 100823040. Its totient is φ = 24151104.

The previous prime is 53983957. The next prime is 53983981. The reversal of 53983965 is 56938935.

It is not a de Polignac number, because 53983965 - 2³ = 53983957 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535 + ... + 10404.

It is an arithmetic number, because the mean of its divisors is an integer number (3150720).

Almost surely, 2^53983965 is an apocalyptic number.

It is an amenable number.

53983965 is a deficient number, since it is larger than the sum of its proper divisors (46839075).

53983965 is a wasteful number, since it uses less digits than its factorization.

53983965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001.

The product of its digits is 874800, while the sum is 48.

The square root of 53983965 is about 7347.3781037864. The cubic root of 53983965 is about 377.9388986091.

The spelling of 53983965 in words is "fifty-three million, nine hundred eighty-three thousand, nine hundred sixty-five".