90546540 has 48 divisors (see below), whose sum is σ = 289750272. Its totient is φ = 20696256.

The previous prime is 90546481. The next prime is 90546541. The reversal of 90546540 is 4564509.

It is not an unprimeable number, because it can be changed into a prime (90546541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107374 + ... + 108213.

It is an arithmetic number, because the mean of its divisors is an integer number (6036464).

Almost surely, 2^90546540 is an apocalyptic number.

It is an amenable number.

90546540 is an abundant number, since it is smaller than the sum of its proper divisors (199203732).

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

90546540 is a wasteful number, since it uses less digits than its factorization.

90546540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215606 (or 215604 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 90546540 is about 9515.5945689169. The cubic root of 90546540 is about 449.0457804885.

The spelling of 90546540 in words is "ninety million, five hundred forty-six thousand, five hundred forty".