90525055 has 16 divisors (see below), whose sum is σ = 111300480. Its totient is φ = 70650112.

The previous prime is 90525049. The next prime is 90525059. The reversal of 90525055 is 55052509.

It is a cyclic number.

It is not a de Polignac number, because 90525055 - 2³ = 90525047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90525059) 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, 133377 + ... + 134053.

It is an arithmetic number, because the mean of its divisors is an integer number (6956280).

Almost surely, 2^90525055 is an apocalyptic number.

90525055 is a deficient number, since it is larger than the sum of its proper divisors (20775425).

90525055 is a wasteful number, since it uses less digits than its factorization.

90525055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 90525055 is about 9514.4655656532. The cubic root of 90525055 is about 449.0102609580.

The spelling of 90525055 in words is "ninety million, five hundred twenty-five thousand, fifty-five".