51916672 has 16 divisors (see below), whose sum is σ = 103428000. Its totient is φ = 25958272.

The previous prime is 51916663. The next prime is 51916687. The reversal of 51916672 is 27661915.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202672 + ... + 202927.

It is an arithmetic number, because the mean of its divisors is an integer number (6464250).

Almost surely, 2^51916672 is an apocalyptic number.

It is an amenable number.

51916672 is a deficient number, since it is larger than the sum of its proper divisors (51511328).

51916672 is an equidigital number, since it uses as much as digits as its factorization.

51916672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405613 (or 405601 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 51916672 is about 7205.3224771692. The cubic root of 51916672 is about 373.0516355717.

The spelling of 51916672 in words is "fifty-one million, nine hundred sixteen thousand, six hundred seventy-two".