80535500 has 24 divisors (see below), whose sum is σ = 175890624. Its totient is φ = 32214000.

The previous prime is 80535493. The next prime is 80535503. The reversal of 80535500 is 553508.

It is a self number, because there is not a number n which added to its sum of digits gives 80535500.

It is not an unprimeable number, because it can be changed into a prime (80535503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80036 + ... + 81035.

It is an arithmetic number, because the mean of its divisors is an integer number (7328776).

Almost surely, 2^80535500 is an apocalyptic number.

It is an amenable number.

80535500 is an abundant number, since it is smaller than the sum of its proper divisors (95355124).

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

80535500 is a wasteful number, since it uses less digits than its factorization.

80535500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161090 (or 161078 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 80535500 is about 8974.1573420572. The cubic root of 80535500 is about 431.8462172682.

The spelling of 80535500 in words is "eighty million, five hundred thirty-five thousand, five hundred".