53965873 has 8 divisors (see below), whose sum is σ = 58177448. Its totient is φ = 49762944.

The previous prime is 53965867. The next prime is 53965921. The reversal of 53965873 is 37856935.

It can be written as a sum of positive squares in 4 ways, for example, as 17205904 + 36759969 = 4148^2 + 6063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53965873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53965273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17461 + ... + 20317.

It is an arithmetic number, because the mean of its divisors is an integer number (7272181).

Almost surely, 2^53965873 is an apocalyptic number.

It is an amenable number.

53965873 is a deficient number, since it is larger than the sum of its proper divisors (4211575).

53965873 is a wasteful number, since it uses less digits than its factorization.

53965873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323.

The product of its digits is 680400, while the sum is 46.

The square root of 53965873 is about 7346.1468131259. The cubic root of 53965873 is about 377.8966735116.

The spelling of 53965873 in words is "fifty-three million, nine hundred sixty-five thousand, eight hundred seventy-three".