90535854 has 32 divisors (see below), whose sum is σ = 190512000. Its totient is φ = 28640864.

The previous prime is 90535853. The next prime is 90535859. The reversal of 90535854 is 45853509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90535853) 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 15 ways as a sum of consecutive naturals, for example, 5857 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (5953500).

Almost surely, 2^90535854 is an apocalyptic number.

90535854 is an abundant number, since it is smaller than the sum of its proper divisors (99976146).

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

90535854 is a wasteful number, since it uses less digits than its factorization.

90535854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 90535854 is about 9515.0330530167. The cubic root of 90535854 is about 449.0281148328.

The spelling of 90535854 in words is "ninety million, five hundred thirty-five thousand, eight hundred fifty-four".