90560447 has 4 divisors (see below), whose sum is σ = 90617736. Its totient is φ = 90503160.

The previous prime is 90560443. The next prime is 90560467. The reversal of 90560447 is 74406509.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74406509 = 71 ⋅1047979.

It is a cyclic number.

It is not a de Polignac number, because 90560447 - 2² = 90560443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90560443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26204 + ... + 29457.

It is an arithmetic number, because the mean of its divisors is an integer number (22654434).

Almost surely, 2^90560447 is an apocalyptic number.

90560447 is a deficient number, since it is larger than the sum of its proper divisors (57289).

90560447 is a wasteful number, since it uses less digits than its factorization.

90560447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57288.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 90560447 is about 9516.3252886816. The cubic root of 90560447 is about 449.0687688875.

The spelling of 90560447 in words is "ninety million, five hundred sixty thousand, four hundred forty-seven".