80905054 has 16 divisors (see below), whose sum is σ = 125492976. Its totient is φ = 39092800.

The previous prime is 80905049. The next prime is 80905073. The reversal of 80905054 is 45050908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4164 + ... + 13384.

It is an arithmetic number, because the mean of its divisors is an integer number (7843311).

Almost surely, 2^80905054 is an apocalyptic number.

80905054 is a deficient number, since it is larger than the sum of its proper divisors (44587922).

80905054 is a wasteful number, since it uses less digits than its factorization.

80905054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 80905054 is about 8994.7236755778. The cubic root of 80905054 is about 432.5057484173.

The spelling of 80905054 in words is "eighty million, nine hundred five thousand, fifty-four".