80544455 has 16 divisors (see below), whose sum is σ = 100975680. Its totient is φ = 61598208.

The previous prime is 80544437. The next prime is 80544463. The reversal of 80544455 is 55444508.

It is a cyclic number.

It is not a de Polignac number, because 80544455 - 2¹⁶ = 80478919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12239 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (6310980).

Almost surely, 2^80544455 is an apocalyptic number.

80544455 is a deficient number, since it is larger than the sum of its proper divisors (20431225).

80544455 is a wasteful number, since it uses less digits than its factorization.

80544455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530.

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 80544455 is about 8974.6562608269. The cubic root of 80544455 is about 431.8622227960.

The spelling of 80544455 in words is "eighty million, five hundred forty-four thousand, four hundred fifty-five".