80909054 has 4 divisors (see below), whose sum is σ = 121363584. Its totient is φ = 40454526.

The previous prime is 80909051. The next prime is 80909063. The reversal of 80909054 is 45090908.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80909051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227262 + ... + 20227265.

It is an arithmetic number, because the mean of its divisors is an integer number (30340896).

Almost surely, 2^80909054 is an apocalyptic number.

80909054 is a deficient number, since it is larger than the sum of its proper divisors (40454530).

80909054 is a wasteful number, since it uses less digits than its factorization.

80909054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40454529.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 80909054 is about 8994.9460254078. The cubic root of 80909054 is about 432.5128760910.

The spelling of 80909054 in words is "eighty million, nine hundred nine thousand, fifty-four".