90528255 has 48 divisors (see below), whose sum is σ = 166813920. Its totient is φ = 45287424.

The previous prime is 90528211. The next prime is 90528271. The reversal of 90528255 is 55282509.

It is not a de Polignac number, because 90528255 - 2¹³ = 90520063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96147 + ... + 97083.

It is an arithmetic number, because the mean of its divisors is an integer number (3475290).

Almost surely, 2^90528255 is an apocalyptic number.

90528255 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

90528255 is a deficient number, since it is larger than the sum of its proper divisors (76285665).

90528255 is a wasteful number, since it uses less digits than its factorization.

90528255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 90528255 is about 9514.6337291564. The cubic root of 90528255 is about 449.0155516329.

The spelling of 90528255 in words is "ninety million, five hundred twenty-eight thousand, two hundred fifty-five".