80543504 has 10 divisors (see below), whose sum is σ = 156053070. Its totient is φ = 40271744.

The previous prime is 80543503. The next prime is 80543509. The reversal of 80543504 is 40534508.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 40195600 = 6352^2 + 6340^2 .

It is not an unprimeable number, because it can be changed into a prime (80543503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516969 + ... + 2517000.

It is an arithmetic number, because the mean of its divisors is an integer number (15605307).

Almost surely, 2^80543504 is an apocalyptic number.

It is an amenable number.

80543504 is a deficient number, since it is larger than the sum of its proper divisors (75509566).

80543504 is a wasteful number, since it uses less digits than its factorization.

80543504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033977 (or 5033971 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 80543504 is about 8974.6032781399. The cubic root of 80543504 is about 431.8605231027.

The spelling of 80543504 in words is "eighty million, five hundred forty-three thousand, five hundred four".