80554139 has 2 divisors, whose sum is σ = 80554140. Its totient is φ = 80554138.

The previous prime is 80554063. The next prime is 80554169. The reversal of 80554139 is 93145508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80554139 - 2⁸ = 80553883 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80554099 and 80554108.

It is not a weakly prime, because it can be changed into another prime (80554169) 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, 40277069 + 40277070.

It is an arithmetic number, because the mean of its divisors is an integer number (40277070).

Almost surely, 2^80554139 is an apocalyptic number.

80554139 is a deficient number, since it is larger than the sum of its proper divisors (1).

80554139 is an equidigital number, since it uses as much as digits as its factorization.

80554139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 80554139 is about 8975.1957638817. The cubic root of 80554139 is about 431.8795299512.

The spelling of 80554139 in words is "eighty million, five hundred fifty-four thousand, one hundred thirty-nine".