80055629 has 2 divisors, whose sum is σ = 80055630. Its totient is φ = 80055628.

The previous prime is 80055611. The next prime is 80055643. The reversal of 80055629 is 92655008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65577604 + 14478025 = 8098^2 + 3805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80055629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80055649) 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, 40027814 + 40027815.

It is an arithmetic number, because the mean of its divisors is an integer number (40027815).

Almost surely, 2^80055629 is an apocalyptic number.

It is an amenable number.

80055629 is a deficient number, since it is larger than the sum of its proper divisors (1).

80055629 is an equidigital number, since it uses as much as digits as its factorization.

80055629 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 80055629 is about 8947.3811252232. The cubic root of 80055629 is about 430.9867890719.

The spelling of 80055629 in words is "eighty million, fifty-five thousand, six hundred twenty-nine".