80551173 has 4 divisors (see below), whose sum is σ = 107401568. Its totient is φ = 53700780.

The previous prime is 80551157. The next prime is 80551181. The reversal of 80551173 is 37115508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80551173 - 2⁴ = 80551157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80551173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80551103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13425193 + ... + 13425198.

It is an arithmetic number, because the mean of its divisors is an integer number (26850392).

Almost surely, 2^80551173 is an apocalyptic number.

It is an amenable number.

80551173 is a deficient number, since it is larger than the sum of its proper divisors (26850395).

80551173 is a wasteful number, since it uses less digits than its factorization.

80551173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26850394.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 80551173 is about 8975.0305291960. The cubic root of 80551173 is about 431.8742292908.

The spelling of 80551173 in words is "eighty million, five hundred fifty-one thousand, one hundred seventy-three".