80556059 has 2 divisors, whose sum is σ = 80556060. Its totient is φ = 80556058.

The previous prime is 80556031. The next prime is 80556079. The reversal of 80556059 is 95065508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80556059 - 2⁸ = 80555803 is a prime.

It is a super-2 number, since 2×80556059² = 12978557283222962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80556019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40278029 + 40278030.

It is an arithmetic number, because the mean of its divisors is an integer number (40278030).

Almost surely, 2^80556059 is an apocalyptic number.

80556059 is a deficient number, since it is larger than the sum of its proper divisors (1).

80556059 is an equidigital number, since it uses as much as digits as its factorization.

80556059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 80556059 is about 8975.3027246996. The cubic root of 80556059 is about 431.8829611927.

The spelling of 80556059 in words is "eighty million, five hundred fifty-six thousand, fifty-nine".