90558603 has 6 divisors (see below), whose sum is σ = 130806884. Its totient is φ = 60372396.

The previous prime is 90558599. The next prime is 90558623. The reversal of 90558603 is 30685509.

It is not a de Polignac number, because 90558603 - 2² = 90558599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90558623) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5031025 + ... + 5031042.

Almost surely, 2^90558603 is an apocalyptic number.

90558603 is a deficient number, since it is larger than the sum of its proper divisors (40248281).

90558603 is a wasteful number, since it uses less digits than its factorization.

90558603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062073 (or 10062070 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 90558603 is about 9516.2284020509. The cubic root of 90558603 is about 449.0657208739.

The spelling of 90558603 in words is "ninety million, five hundred fifty-eight thousand, six hundred three".