89900051 has 2 divisors, whose sum is σ = 89900052. Its totient is φ = 89900050.

The previous prime is 89900023. The next prime is 89900059. The reversal of 89900051 is 15000998.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89900051 - 2¹⁸ = 89637907 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 89899990 and 89900017.

It is not a weakly prime, because it can be changed into another prime (89900059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950025 + 44950026.

It is an arithmetic number, because the mean of its divisors is an integer number (44950026).

Almost surely, 2^89900051 is an apocalyptic number.

89900051 is a deficient number, since it is larger than the sum of its proper divisors (1).

89900051 is an equidigital number, since it uses as much as digits as its factorization.

89900051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 89900051 is about 9481.5637423370. The cubic root of 89900051 is about 447.9745199024.

The spelling of 89900051 in words is "eighty-nine million, nine hundred thousand, fifty-one".