80554385 has 4 divisors (see below), whose sum is σ = 96665268. Its totient is φ = 64443504.

The previous prime is 80554367. The next prime is 80554387. The reversal of 80554385 is 58345508.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 71385601 = 3028^2 + 8449^2 .

It is a cyclic number.

It is not a de Polignac number, because 80554385 - 2⁶ = 80554321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80554387) 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, 8055434 + ... + 8055443.

It is an arithmetic number, because the mean of its divisors is an integer number (24166317).

Almost surely, 2^80554385 is an apocalyptic number.

It is an amenable number.

80554385 is a deficient number, since it is larger than the sum of its proper divisors (16110883).

80554385 is a wasteful number, since it uses less digits than its factorization.

80554385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16110882.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 80554385 is about 8975.2094683077. The cubic root of 80554385 is about 431.8799695821.

The spelling of 80554385 in words is "eighty million, five hundred fifty-four thousand, three hundred eighty-five".