90357565 has 8 divisors (see below), whose sum is σ = 108567648. Its totient is φ = 72193680.

The previous prime is 90357557. The next prime is 90357571. The reversal of 90357565 is 56575309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90357565 - 2³ = 90357557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7087 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (13570956).

Almost surely, 2^90357565 is an apocalyptic number.

It is an amenable number.

90357565 is a deficient number, since it is larger than the sum of its proper divisors (18210083).

90357565 is a wasteful number, since it uses less digits than its factorization.

90357565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23099.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 90357565 is about 9505.6596299257. The cubic root of 90357565 is about 448.7331695025.

The spelling of 90357565 in words is "ninety million, three hundred fifty-seven thousand, five hundred sixty-five".