90485546 has 4 divisors (see below), whose sum is σ = 135728322. Its totient is φ = 45242772.

The previous prime is 90485533. The next prime is 90485561. The reversal of 90485546 is 64558409.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64558409 = 19 ⋅3397811.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 28249225 = 7889^2 + 5315^2 .

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, 22621385 + ... + 22621388.

Almost surely, 2^90485546 is an apocalyptic number.

90485546 is a deficient number, since it is larger than the sum of its proper divisors (45242776).

90485546 is a wasteful number, since it uses less digits than its factorization.

90485546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45242775.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 90485546 is about 9512.3890795110. The cubic root of 90485546 is about 448.9449290347.

The spelling of 90485546 in words is "ninety million, four hundred eighty-five thousand, five hundred forty-six".