51099337 has 2 divisors, whose sum is σ = 51099338. Its totient is φ = 51099336.

The previous prime is 51099317. The next prime is 51099383. The reversal of 51099337 is 73399015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40182921 + 10916416 = 6339^2 + 3304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51099337 is a prime.

It is a super-2 number, since 2×51099337² = 5222284483679138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51099296 and 51099305.

It is not a weakly prime, because it can be changed into another prime (51099317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25549668 + 25549669.

It is an arithmetic number, because the mean of its divisors is an integer number (25549669).

Almost surely, 2^51099337 is an apocalyptic number.

It is an amenable number.

51099337 is a deficient number, since it is larger than the sum of its proper divisors (1).

51099337 is an equidigital number, since it uses as much as digits as its factorization.

51099337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 51099337 is about 7148.3800262717. The cubic root of 51099337 is about 371.0835948147.

The spelling of 51099337 in words is "fifty-one million, ninety-nine thousand, three hundred thirty-seven".