80980055 has 8 divisors (see below), whose sum is σ = 104651232. Its totient is φ = 59800608.

The previous prime is 80980007. The next prime is 80980057. The reversal of 80980055 is 55008908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80980055 - 2⁶ = 80979991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80979997 and 80980024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80980057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622859 + ... + 622988.

It is an arithmetic number, because the mean of its divisors is an integer number (13081404).

Almost surely, 2^80980055 is an apocalyptic number.

80980055 is a deficient number, since it is larger than the sum of its proper divisors (23671177).

80980055 is a wasteful number, since it uses less digits than its factorization.

80980055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245865.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 80980055 is about 8998.8918762257. The cubic root of 80980055 is about 432.6393550070.

The spelling of 80980055 in words is "eighty million, nine hundred eighty thousand, fifty-five".