51107737 has 2 divisors, whose sum is σ = 51107738. Its totient is φ = 51107736.

The previous prime is 51107711. The next prime is 51107743. The reversal of 51107737 is 73770115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 8649481 = 6516^2 + 2941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51107737 is a prime.

It is a super-2 number, since 2×51107737² = 5224001562522338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51107699 and 51107708.

It is not a weakly prime, because it can be changed into another prime (51197737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553868 + 25553869.

It is an arithmetic number, because the mean of its divisors is an integer number (25553869).

Almost surely, 2^51107737 is an apocalyptic number.

It is an amenable number.

51107737 is a deficient number, since it is larger than the sum of its proper divisors (1).

51107737 is an equidigital number, since it uses as much as digits as its factorization.

51107737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5145, while the sum is 31.

The square root of 51107737 is about 7148.9675478351. The cubic root of 51107737 is about 371.1039273121.

The spelling of 51107737 in words is "fifty-one million, one hundred seven thousand, seven hundred thirty-seven".