32545540 has 24 divisors (see below), whose sum is σ = 70703640. Its totient is φ = 12569088.

The previous prime is 32545523. The next prime is 32545553. The reversal of 32545540 is 4554523.

It can be written as a sum of positive squares in 4 ways, for example, as 101124 + 32444416 = 318^2 + 5696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32545499 and 32545508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27477 + ... + 28636.

It is an arithmetic number, because the mean of its divisors is an integer number (2945985).

Almost surely, 2^32545540 is an apocalyptic number.

It is an amenable number.

32545540 is an abundant number, since it is smaller than the sum of its proper divisors (38158100).

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

32545540 is a wasteful number, since it uses less digits than its factorization.

32545540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56151 (or 56149 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 32545540 is about 5704.8698495233. The cubic root of 32545540 is about 319.2742014000.

The spelling of 32545540 in words is "thirty-two million, five hundred forty-five thousand, five hundred forty".