51949732 has 12 divisors (see below), whose sum is σ = 94864896. Its totient is φ = 24845480.

The previous prime is 51949687. The next prime is 51949763. The reversal of 51949732 is 23794915.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282244 + ... + 282427.

It is an arithmetic number, because the mean of its divisors is an integer number (7905408).

Almost surely, 2^51949732 is an apocalyptic number.

It is an amenable number.

51949732 is a deficient number, since it is larger than the sum of its proper divisors (42915164).

51949732 is a wasteful number, since it uses less digits than its factorization.

51949732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564698 (or 564696 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 51949732 is about 7207.6162494961. The cubic root of 51949732 is about 373.1308039111.

The spelling of 51949732 in words is "fifty-one million, nine hundred forty-nine thousand, seven hundred thirty-two".