51893963 has 8 divisors (see below), whose sum is σ = 58564080. Its totient is φ = 45549280.

The previous prime is 51893953. The next prime is 51893977. The reversal of 51893963 is 36939815.

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

It is a cyclic number.

It is not a de Polignac number, because 51893963 - 2⁶ = 51893899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51893903) 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, 81020 + ... + 81657.

It is an arithmetic number, because the mean of its divisors is an integer number (7320510).

Almost surely, 2^51893963 is an apocalyptic number.

51893963 is a deficient number, since it is larger than the sum of its proper divisors (6670117).

51893963 is a wasteful number, since it uses less digits than its factorization.

51893963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162717.

The product of its digits is 174960, while the sum is 44.

The square root of 51893963 is about 7203.7464558381. The cubic root of 51893963 is about 372.9972351593.

The spelling of 51893963 in words is "fifty-one million, eight hundred ninety-three thousand, nine hundred sixty-three".