51933737 has 2 divisors, whose sum is σ = 51933738. Its totient is φ = 51933736.

The previous prime is 51933719. The next prime is 51933781. The reversal of 51933737 is 73733915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51782416 + 151321 = 7196^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 51933737 - 2¹⁴ = 51917353 is a prime.

It is a super-2 number, since 2×51933737² = 5394226077570338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51933737.

It is not a weakly prime, because it can be changed into another prime (51933437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25966868 + 25966869.

It is an arithmetic number, because the mean of its divisors is an integer number (25966869).

Almost surely, 2^51933737 is an apocalyptic number.

It is an amenable number.

51933737 is a deficient number, since it is larger than the sum of its proper divisors (1).

51933737 is an equidigital number, since it uses as much as digits as its factorization.

51933737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59535, while the sum is 38.

The square root of 51933737 is about 7206.5065739233. The cubic root of 51933737 is about 373.0925050941.

The spelling of 51933737 in words is "fifty-one million, nine hundred thirty-three thousand, seven hundred thirty-seven".