80918055 has 32 divisors (see below), whose sum is σ = 151430400. Its totient is φ = 40883616.

The previous prime is 80918053. The next prime is 80918063. The reversal of 80918055 is 55081908.

It is not a de Polignac number, because 80918055 - 2¹ = 80918053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80918053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13209 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (4732200).

Almost surely, 2^80918055 is an apocalyptic number.

80918055 is a deficient number, since it is larger than the sum of its proper divisors (70512345).

80918055 is a wasteful number, since it uses less digits than its factorization.

80918055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31580 (or 31574 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 80918055 is about 8995.4463480141. The cubic root of 80918055 is about 432.5289142797.

The spelling of 80918055 in words is "eighty million, nine hundred eighteen thousand, fifty-five".