90544607 has 4 divisors (see below), whose sum is σ = 92471136. Its totient is φ = 88618080.

The previous prime is 90544589. The next prime is 90544609. The reversal of 90544607 is 70644509.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90544607 - 2⁶ = 90544543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90544609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963194 + ... + 963287.

It is an arithmetic number, because the mean of its divisors is an integer number (23117784).

Almost surely, 2^90544607 is an apocalyptic number.

90544607 is a deficient number, since it is larger than the sum of its proper divisors (1926529).

90544607 is a wasteful number, since it uses less digits than its factorization.

90544607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926528.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 90544607 is about 9515.4929982634. The cubic root of 90544607 is about 449.0425850354.

The spelling of 90544607 in words is "ninety million, five hundred forty-four thousand, six hundred seven".