51968632 has 8 divisors (see below), whose sum is σ = 97441200. Its totient is φ = 25984312.

The previous prime is 51968611. The next prime is 51968633. The reversal of 51968632 is 23686915.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51968633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248032 + ... + 3248047.

It is an arithmetic number, because the mean of its divisors is an integer number (12180150).

Almost surely, 2^51968632 is an apocalyptic number.

It is an amenable number.

51968632 is a deficient number, since it is larger than the sum of its proper divisors (45472568).

51968632 is a wasteful number, since it uses less digits than its factorization.

51968632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6496085 (or 6496081 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 51968632 is about 7208.9272433560. The cubic root of 51968632 is about 373.1760483995.

The spelling of 51968632 in words is "fifty-one million, nine hundred sixty-eight thousand, six hundred thirty-two".