53967081 has 12 divisors (see below), whose sum is σ = 83704272. Its totient is φ = 30838248.

The previous prime is 53967077. The next prime is 53967083. The reversal of 53967081 is 18076935.

It is not a de Polignac number, because 53967081 - 2² = 53967077 is a prime.

It is a super-2 number, since 2×53967081² = 5824891663321122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53967083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183415 + ... + 183708.

It is an arithmetic number, because the mean of its divisors is an integer number (6975356).

Almost surely, 2^53967081 is an apocalyptic number.

It is an amenable number.

53967081 is a deficient number, since it is larger than the sum of its proper divisors (29737191).

53967081 is a wasteful number, since it uses less digits than its factorization.

53967081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367140 (or 367133 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 53967081 is about 7346.2290326398. The cubic root of 53967081 is about 377.8994931688.

The spelling of 53967081 in words is "fifty-three million, nine hundred sixty-seven thousand, eighty-one".