80557504 has 14 divisors (see below), whose sum is σ = 159856424. Its totient is φ = 40278720.

The previous prime is 80557501. The next prime is 80557531. The reversal of 80557504 is 40575508.

It is a super-2 number, since 2×80557504² = 12979022901420032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80557504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80557501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629292 + ... + 629419.

It is an arithmetic number, because the mean of its divisors is an integer number (11418316).

Almost surely, 2^80557504 is an apocalyptic number.

It is an amenable number.

80557504 is a deficient number, since it is larger than the sum of its proper divisors (79298920).

80557504 is a wasteful number, since it uses less digits than its factorization.

80557504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258723 (or 1258713 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 80557504 is about 8975.3832230162. The cubic root of 80557504 is about 431.8855435234.

The spelling of 80557504 in words is "eighty million, five hundred fifty-seven thousand, five hundred four".