90065504 has 24 divisors (see below), whose sum is σ = 177992640. Its totient is φ = 44861056.

The previous prime is 90065441. The next prime is 90065519. The reversal of 90065504 is 40556009.

It is a super-2 number, since 2×90065504² = 16223590021548032, which contains 22 as substring.

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, 3377 + ... + 13839.

It is an arithmetic number, because the mean of its divisors is an integer number (7416360).

Almost surely, 2^90065504 is an apocalyptic number.

It is an amenable number.

90065504 is a deficient number, since it is larger than the sum of its proper divisors (87927136).

90065504 is a wasteful number, since it uses less digits than its factorization.

90065504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742 (or 10734 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 90065504 is about 9490.2847164877. The cubic root of 90065504 is about 448.2491704883.

The spelling of 90065504 in words is "ninety million, sixty-five thousand, five hundred four".