90655512 has 32 divisors (see below), whose sum is σ = 236494080. Its totient is φ = 28904480.

The previous prime is 90655511. The next prime is 90655519. The reversal of 90655512 is 21555609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90655511) 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 7 ways as a sum of consecutive naturals, for example, 81564 + ... + 82667.

It is an arithmetic number, because the mean of its divisors is an integer number (7390440).

Almost surely, 2^90655512 is an apocalyptic number.

90655512 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

90655512 is an abundant number, since it is smaller than the sum of its proper divisors (145838568).

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

90655512 is a wasteful number, since it uses less digits than its factorization.

90655512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164263 (or 164259 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 90655512 is about 9521.3188162145. The cubic root of 90655512 is about 449.2258492119.

The spelling of 90655512 in words is "ninety million, six hundred fifty-five thousand, five hundred twelve".