80616055 has 8 divisors (see below), whose sum is σ = 104180832. Its totient is φ = 59531808.

The previous prime is 80616049. The next prime is 80616059. The reversal of 80616055 is 55061608.

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 80616055 - 2⁹ = 80615543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80616059) 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, 620059 + ... + 620188.

It is an arithmetic number, because the mean of its divisors is an integer number (13022604).

Almost surely, 2^80616055 is an apocalyptic number.

80616055 is a deficient number, since it is larger than the sum of its proper divisors (23564777).

80616055 is a wasteful number, since it uses less digits than its factorization.

80616055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240265.

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

The square root of 80616055 is about 8978.6443854292. The cubic root of 80616055 is about 431.9901528820.

It can be divided in two parts, 806 and 16055, that added together give a palindrome (16861).

The spelling of 80616055 in words is "eighty million, six hundred sixteen thousand, fifty-five".