51158099 has 2 divisors, whose sum is σ = 51158100. Its totient is φ = 51158098.

The previous prime is 51158071. The next prime is 51158111. The reversal of 51158099 is 99085115.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51158099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51158399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25579049 + 25579050.

It is an arithmetic number, because the mean of its divisors is an integer number (25579050).

Almost surely, 2^51158099 is an apocalyptic number.

51158099 is a deficient number, since it is larger than the sum of its proper divisors (1).

51158099 is an equidigital number, since it uses as much as digits as its factorization.

51158099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 38.

The square root of 51158099 is about 7152.4890073316. The cubic root of 51158099 is about 371.2257836200.

The spelling of 51158099 in words is "fifty-one million, one hundred fifty-eight thousand, ninety-nine".