90669552 has 40 divisors (see below), whose sum is σ = 234913536. Its totient is φ = 30134976.

The previous prime is 90669511. The next prime is 90669571. The reversal of 90669552 is 25596609.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 15043 + ... + 20189.

Almost surely, 2^90669552 is an apocalyptic number.

It is an amenable number.

90669552 is an abundant number, since it is smaller than the sum of its proper divisors (144243984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90669552 is a wasteful number, since it uses less digits than its factorization.

90669552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 90669552 is about 9522.0560804902. The cubic root of 90669552 is about 449.2490388493.

The spelling of 90669552 in words is "ninety million, six hundred sixty-nine thousand, five hundred fifty-two".