53917966 has 8 divisors (see below), whose sum is σ = 81213264. Its totient is φ = 26846880.

The previous prime is 53917951. The next prime is 53917967. The reversal of 53917966 is 66971935.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53917967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55450 + ... + 56413.

It is an arithmetic number, because the mean of its divisors is an integer number (10151658).

Almost surely, 2^53917966 is an apocalyptic number.

53917966 is a deficient number, since it is larger than the sum of its proper divisors (27295298).

53917966 is a wasteful number, since it uses less digits than its factorization.

53917966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112106.

The product of its digits is 306180, while the sum is 46.

The square root of 53917966 is about 7342.8854001680. The cubic root of 53917966 is about 377.7848172916.

The spelling of 53917966 in words is "fifty-three million, nine hundred seventeen thousand, nine hundred sixty-six".