80550218 has 12 divisors (see below), whose sum is σ = 140552082. Its totient is φ = 34521480.

The previous prime is 80550203. The next prime is 80550259. The reversal of 80550218 is 81205508.

It can be written as a sum of positive squares in only one way, i.e., 45064369 + 35485849 = 6713^2 + 5957^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410873 + ... + 411068.

Almost surely, 2^80550218 is an apocalyptic number.

80550218 is a deficient number, since it is larger than the sum of its proper divisors (60001864).

80550218 is a wasteful number, since it uses less digits than its factorization.

80550218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821957 (or 821950 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 80550218 is about 8974.9773258767. The cubic root of 80550218 is about 431.8725225434.

The spelling of 80550218 in words is "eighty million, five hundred fifty thousand, two hundred eighteen".