80554381 has 16 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 72363520.

The previous prime is 80554367. The next prime is 80554387. The reversal of 80554381 is 18345508.

It is a cyclic number.

It is not a de Polignac number, because 80554381 - 2¹³ = 80546189 is a prime.

It is a super-2 number, since 2×80554381² = 12978016596586322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80554387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31530 + ... + 33988.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2^80554381 is an apocalyptic number.

It is an amenable number.

80554381 is a deficient number, since it is larger than the sum of its proper divisors (8714099).

80554381 is a wasteful number, since it uses less digits than its factorization.

80554381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 80554381 is about 8975.2092454717. The cubic root of 80554381 is about 431.8799624336.

Adding to 80554381 its reverse (18345508), we get a palindrome (98899889).

The spelling of 80554381 in words is "eighty million, five hundred fifty-four thousand, three hundred eighty-one".