90555536 has 10 divisors (see below), whose sum is σ = 175451382. Its totient is φ = 45277760.

The previous prime is 90555523. The next prime is 90555541. The reversal of 90555536 is 63555509.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 8761600 = 9044^2 + 2960^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90555536.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2829845 + ... + 2829876.

Almost surely, 2^90555536 is an apocalyptic number.

It is an amenable number.

90555536 is a deficient number, since it is larger than the sum of its proper divisors (84895846).

90555536 is a wasteful number, since it uses less digits than its factorization.

90555536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659729 (or 5659723 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 38.

The square root of 90555536 is about 9516.0672549116. The cubic root of 90555536 is about 449.0606512282.

The spelling of 90555536 in words is "ninety million, five hundred fifty-five thousand, five hundred thirty-six".