80740055 has 16 divisors (see below), whose sum is σ = 111914784. Its totient is φ = 55265280.

The previous prime is 80740039. The next prime is 80740057. The reversal of 80740055 is 55004708.

It is not a de Polignac number, because 80740055 - 2⁴ = 80740039 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 (80740057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42242 + ... + 44111.

It is an arithmetic number, because the mean of its divisors is an integer number (6994674).

Almost surely, 2^80740055 is an apocalyptic number.

80740055 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80740055 is a deficient number, since it is larger than the sum of its proper divisors (31174729).

80740055 is a wasteful number, since it uses less digits than its factorization.

80740055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86386.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 80740055 is about 8985.5470061650. The cubic root of 80740055 is about 432.2115287098.

The spelling of 80740055 in words is "eighty million, seven hundred forty thousand, fifty-five".