90459565 has 8 divisors (see below), whose sum is σ = 124058880. Its totient is φ = 62029392.

The previous prime is 90459563. The next prime is 90459599. The reversal of 90459565 is 56595409.

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

It is a cyclic number.

It is not a de Polignac number, because 90459565 - 2¹ = 90459563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90459563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292245 + ... + 1292314.

It is an arithmetic number, because the mean of its divisors is an integer number (15507360).

Almost surely, 2^90459565 is an apocalyptic number.

It is an amenable number.

90459565 is a deficient number, since it is larger than the sum of its proper divisors (33599315).

90459565 is a wasteful number, since it uses less digits than its factorization.

90459565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584571.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 90459565 is about 9511.0233413655. The cubic root of 90459565 is about 448.9019565923.

The spelling of 90459565 in words is "ninety million, four hundred fifty-nine thousand, five hundred sixty-five".