90054849 has 8 divisors (see below), whose sum is σ = 122041792. Its totient is φ = 59052240.

The previous prime is 90054841. The next prime is 90054859. The reversal of 90054849 is 94845009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90054849 - 2³ = 90054841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90054841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245869 + ... + 246234.

It is an arithmetic number, because the mean of its divisors is an integer number (15255224).

Almost surely, 2^90054849 is an apocalyptic number.

It is an amenable number.

90054849 is a deficient number, since it is larger than the sum of its proper divisors (31986943).

90054849 is a wasteful number, since it uses less digits than its factorization.

90054849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492167.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 90054849 is about 9489.7233363255. The cubic root of 90054849 is about 448.2314934160.

The spelling of 90054849 in words is "ninety million, fifty-four thousand, eight hundred forty-nine".