90549292 has 6 divisors (see below), whose sum is σ = 158461268. Its totient is φ = 45274644.

The previous prime is 90549287. The next prime is 90549301. The reversal of 90549292 is 29294509.

It is an alternating number because its digits alternate between odd and even.

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 as a sum of consecutive naturals, namely, 11318658 + ... + 11318665.

Almost surely, 2^90549292 is an apocalyptic number.

It is an amenable number.

90549292 is a deficient number, since it is larger than the sum of its proper divisors (67911976).

90549292 is a wasteful number, since it uses less digits than its factorization.

90549292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22637327 (or 22637325 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 90549292 is about 9515.7391725499. The cubic root of 90549292 is about 449.0503297566.

The spelling of 90549292 in words is "ninety million, five hundred forty-nine thousand, two hundred ninety-two".