80931552 has 48 divisors (see below), whose sum is σ = 228790800. Its totient is φ = 24901632.

The previous prime is 80931533. The next prime is 80931553. The reversal of 80931552 is 25513908.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×80931552² = 13099832218257408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80931553) 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 7 ways as a sum of consecutive naturals, for example, 31177 + ... + 33672.

It is an arithmetic number, because the mean of its divisors is an integer number (4766475).

Almost surely, 2^80931552 is an apocalyptic number.

It is an amenable number.

80931552 is an abundant number, since it is smaller than the sum of its proper divisors (147859248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80931552 is a wasteful number, since it uses less digits than its factorization.

80931552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64875 (or 64867 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 80931552 is about 8996.1965296452. The cubic root of 80931552 is about 432.5529613160.

The spelling of 80931552 in words is "eighty million, nine hundred thirty-one thousand, five hundred fifty-two".