51058669 has 2 divisors, whose sum is σ = 51058670. Its totient is φ = 51058668.

The previous prime is 51058649. The next prime is 51058703. The reversal of 51058669 is 96685015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49533444 + 1525225 = 7038^2 + 1235^2 .

It is a cyclic number.

It is not a de Polignac number, because 51058669 - 2¹⁵ = 51025901 is a prime.

It is a super-2 number, since 2×51058669² = 5213975360103122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51058619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25529334 + 25529335.

It is an arithmetic number, because the mean of its divisors is an integer number (25529335).

Almost surely, 2^51058669 is an apocalyptic number.

It is an amenable number.

51058669 is a deficient number, since it is larger than the sum of its proper divisors (1).

51058669 is an equidigital number, since it uses as much as digits as its factorization.

51058669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 51058669 is about 7145.5348995019. The cubic root of 51058669 is about 370.9851249597.

The spelling of 51058669 in words is "fifty-one million, fifty-eight thousand, six hundred sixty-nine".