80289553 has 2 divisors, whose sum is σ = 80289554. Its totient is φ = 80289552.

The previous prime is 80289533. The next prime is 80289571. The reversal of 80289553 is 35598208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76160529 + 4129024 = 8727^2 + 2032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80289553 is a prime.

It is not a weakly prime, because it can be changed into another prime (80289523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40144776 + 40144777.

It is an arithmetic number, because the mean of its divisors is an integer number (40144777).

Almost surely, 2^80289553 is an apocalyptic number.

It is an amenable number.

80289553 is a deficient number, since it is larger than the sum of its proper divisors (1).

80289553 is an equidigital number, since it uses as much as digits as its factorization.

80289553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 80289553 is about 8960.4437948128. The cubic root of 80289553 is about 431.4061646007.

The spelling of 80289553 in words is "eighty million, two hundred eighty-nine thousand, five hundred fifty-three".