87545532 has 12 divisors (see below), whose sum is σ = 204272936. Its totient is φ = 29181840.

The previous prime is 87545531. The next prime is 87545533. The reversal of 87545532 is 23554578.

It is an interprime number because it is at equal distance from previous prime (87545531) and next prime (87545533).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87545531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3647719 + ... + 3647742.

Almost surely, 2^87545532 is an apocalyptic number.

It is an amenable number.

87545532 is an abundant number, since it is smaller than the sum of its proper divisors (116727404).

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

87545532 is a wasteful number, since it uses less digits than its factorization.

87545532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7295468 (or 7295466 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 87545532 is about 9356.5769381756. The cubic root of 87545532 is about 444.0289933181.

The spelling of 87545532 in words is "eighty-seven million, five hundred forty-five thousand, five hundred thirty-two".