90755522 has 16 divisors (see below), whose sum is σ = 159933312. Its totient is φ = 38079120.

The previous prime is 90755519. The next prime is 90755549. The reversal of 90755522 is 22555709.

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, 158378 + ... + 158949.

It is an arithmetic number, because the mean of its divisors is an integer number (9995832).

Almost surely, 2^90755522 is an apocalyptic number.

90755522 is a deficient number, since it is larger than the sum of its proper divisors (69177790).

90755522 is a wasteful number, since it uses less digits than its factorization.

90755522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317353.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 90755522 is about 9526.5692670552. The cubic root of 90755522 is about 449.3909819042.

The spelling of 90755522 in words is "ninety million, seven hundred fifty-five thousand, five hundred twenty-two".