80506554 has 16 divisors (see below), whose sum is σ = 161179200. Its totient is φ = 26807840.

The previous prime is 80506549. The next prime is 80506571. The reversal of 80506554 is 45560508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102 + ... + 12689.

It is an arithmetic number, because the mean of its divisors is an integer number (10073700).

Almost surely, 2^80506554 is an apocalyptic number.

80506554 is an abundant number, since it is smaller than the sum of its proper divisors (80672646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80506554 is a wasteful number, since it uses less digits than its factorization.

80506554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 80506554 is about 8972.5444551699. The cubic root of 80506554 is about 431.7944731367.

The spelling of 80506554 in words is "eighty million, five hundred six thousand, five hundred fifty-four".