90523506 has 16 divisors (see below), whose sum is σ = 181461024. Its totient is φ = 30105504.

The previous prime is 90523483. The next prime is 90523513. The reversal of 90523506 is 60532509.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14371 + ... + 19686.

It is an arithmetic number, because the mean of its divisors is an integer number (11341314).

Almost surely, 2^90523506 is an apocalyptic number.

90523506 is an abundant number, since it is smaller than the sum of its proper divisors (90937518).

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

90523506 is a wasteful number, since it uses less digits than its factorization.

90523506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34505.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 90523506 is about 9514.3841629398. The cubic root of 90523506 is about 449.0076998959.

The spelling of 90523506 in words is "ninety million, five hundred twenty-three thousand, five hundred six".