90255910 has 32 divisors (see below), whose sum is σ = 171942912. Its totient is φ = 34040160.

The previous prime is 90255889. The next prime is 90255953. The reversal of 90255910 is 1955209.

It is a super-2 number, since 2×90255910² = 16292258579856200, which contains 22 as substring.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 13567 + ... + 19093.

It is an arithmetic number, because the mean of its divisors is an integer number (5373216).

Almost surely, 2^90255910 is an apocalyptic number.

90255910 is a deficient number, since it is larger than the sum of its proper divisors (81687002).

90255910 is a wasteful number, since it uses less digits than its factorization.

90255910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 90255910 is about 9500.3110475394. The cubic root of 90255910 is about 448.5648268832.

The spelling of 90255910 in words is "ninety million, two hundred fifty-five thousand, nine hundred ten".