90475535 has 4 divisors (see below), whose sum is σ = 108570648. Its totient is φ = 72380424.

The previous prime is 90475529. The next prime is 90475571. The reversal of 90475535 is 53557409.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90475535 - 2⁸ = 90475279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9047549 + ... + 9047558.

It is an arithmetic number, because the mean of its divisors is an integer number (27142662).

Almost surely, 2^90475535 is an apocalyptic number.

90475535 is a deficient number, since it is larger than the sum of its proper divisors (18095113).

90475535 is a wasteful number, since it uses less digits than its factorization.

90475535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18095112.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 90475535 is about 9511.8628564546. The cubic root of 90475535 is about 448.9283718657.

The spelling of 90475535 in words is "ninety million, four hundred seventy-five thousand, five hundred thirty-five".