80816053 has 4 divisors (see below), whose sum is σ = 80858988. Its totient is φ = 80773120.

The previous prime is 80816051. The next prime is 80816083. The reversal of 80816053 is 35061808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47430769 + 33385284 = 6887^2 + 5778^2 .

It is a cyclic number.

It is not a de Polignac number, because 80816053 - 2¹ = 80816051 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 (80816051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18508 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (20214747).

Almost surely, 2^80816053 is an apocalyptic number.

It is an amenable number.

80816053 is a deficient number, since it is larger than the sum of its proper divisors (42935).

80816053 is a wasteful number, since it uses less digits than its factorization.

80816053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42934.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 80816053 is about 8989.7749137562. The cubic root of 80816053 is about 432.3470950906.

It can be divided in two parts, 808 and 16053, that added together give a palindrome (16861).

The spelling of 80816053 in words is "eighty million, eight hundred sixteen thousand, fifty-three".