80553831 has 16 divisors (see below), whose sum is σ = 109278720. Its totient is φ = 52771040.

The previous prime is 80553827. The next prime is 80553839. The reversal of 80553831 is 13835508.

It is a cyclic number.

It is not a de Polignac number, because 80553831 - 2² = 80553827 is a prime.

It is a super-2 number, since 2×80553831² = 12977839377553122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80553792 and 80553801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80553839) 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, 108046 + ... + 108788.

It is an arithmetic number, because the mean of its divisors is an integer number (6829920).

Almost surely, 2^80553831 is an apocalyptic number.

80553831 is a deficient number, since it is larger than the sum of its proper divisors (28724889).

80553831 is a wasteful number, since it uses less digits than its factorization.

80553831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 80553831 is about 8975.1786054652. The cubic root of 80553831 is about 431.8789795178.

The spelling of 80553831 in words is "eighty million, five hundred fifty-three thousand, eight hundred thirty-one".