51716852 has 18 divisors (see below), whose sum is σ = 99481074. Its totient is φ = 23507440.

The previous prime is 51716849. The next prime is 51716869. The reversal of 51716852 is 25861715.

It can be written as a sum of positive squares in only one way, i.e., 31967716 + 19749136 = 5654^2 + 4444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52943 + ... + 53910.

Almost surely, 2^51716852 is an apocalyptic number.

It is an amenable number.

51716852 is a deficient number, since it is larger than the sum of its proper divisors (47764222).

51716852 is a wasteful number, since it uses less digits than its factorization.

51716852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106879 (or 106866 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 51716852 is about 7191.4429706423. The cubic root of 51716852 is about 372.5724123897.

The spelling of 51716852 in words is "fifty-one million, seven hundred sixteen thousand, eight hundred fifty-two".