90546518 has 16 divisors (see below), whose sum is σ = 137607360. Its totient is φ = 44680896.

The previous prime is 90546481. The next prime is 90546541. The reversal of 90546518 is 81564509.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 67571 + ... + 68897.

It is an arithmetic number, because the mean of its divisors is an integer number (8600460).

Almost surely, 2^90546518 is an apocalyptic number.

90546518 is a deficient number, since it is larger than the sum of its proper divisors (47060842).

90546518 is a wasteful number, since it uses less digits than its factorization.

90546518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 90546518 is about 9515.5934129197. The cubic root of 90546518 is about 449.0457441204.

Subtracting from 90546518 its reverse (81564509), we obtain a square (8982009 = 2997²).

The spelling of 90546518 in words is "ninety million, five hundred forty-six thousand, five hundred eighteen".