51958099 has 2 divisors, whose sum is σ = 51958100. Its totient is φ = 51958098.

The previous prime is 51958097. The next prime is 51958121. The reversal of 51958099 is 99085915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51958099 - 2¹ = 51958097 is a prime.

Together with 51958097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51958097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25979049 + 25979050.

It is an arithmetic number, because the mean of its divisors is an integer number (25979050).

Almost surely, 2^51958099 is an apocalyptic number.

51958099 is a deficient number, since it is larger than the sum of its proper divisors (1).

51958099 is an equidigital number, since it uses as much as digits as its factorization.

51958099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 46.

The square root of 51958099 is about 7208.1966538102. The cubic root of 51958099 is about 373.1508349278.

The spelling of 51958099 in words is "fifty-one million, nine hundred fifty-eight thousand, ninety-nine".