80553121 has 8 divisors (see below), whose sum is σ = 89114688. Its totient is φ = 72198000.

The previous prime is 80553073. The next prime is 80553139. The reversal of 80553121 is 12135508.

It is a happy number.

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 80553121 - 2²³ = 72164513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80557121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50790 + ... + 52351.

It is an arithmetic number, because the mean of its divisors is an integer number (11139336).

Almost surely, 2^80553121 is an apocalyptic number.

It is an amenable number.

80553121 is a deficient number, since it is larger than the sum of its proper divisors (8561567).

80553121 is a wasteful number, since it uses less digits than its factorization.

80553121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103223.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 80553121 is about 8975.1390518476. The cubic root of 80553121 is about 431.8777106563.

Adding to 80553121 its reverse (12135508), we get a palindrome (92688629).

The spelling of 80553121 in words is "eighty million, five hundred fifty-three thousand, one hundred twenty-one".