51933716 has 24 divisors (see below), whose sum is σ = 93740136. Its totient is φ = 25159680.

The previous prime is 51933689. The next prime is 51933719. The reversal of 51933716 is 61733915.

It can be written as a sum of positive squares in 4 ways, for example, as 1948816 + 49984900 = 1396^2 + 7070^2 .

It is a super-2 number, since 2×51933716² = 5394221715137312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51933719) 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, 24740 + ... + 26756.

It is an arithmetic number, because the mean of its divisors is an integer number (3905839).

Almost surely, 2^51933716 is an apocalyptic number.

It is an amenable number.

51933716 is a deficient number, since it is larger than the sum of its proper divisors (41806420).

51933716 is a wasteful number, since it uses less digits than its factorization.

51933716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219 (or 2217 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 51933716 is about 7206.5051169065. The cubic root of 51933716 is about 373.0924548060.

The spelling of 51933716 in words is "fifty-one million, nine hundred thirty-three thousand, seven hundred sixteen".