90559547234 has 16 divisors (see below), whose sum is σ = 146333523840. Its totient is φ = 41783850000.

The previous prime is 90559547231. The next prime is 90559547293. The reversal of 90559547234 is 43274595509.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90559547231) 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, 449642 + ... + 619109.

It is an arithmetic number, because the mean of its divisors is an integer number (9145845240).

Almost surely, 2^90559547234 is an apocalyptic number.

90559547234 is a deficient number, since it is larger than the sum of its proper divisors (55773976606).

90559547234 is a wasteful number, since it uses less digits than its factorization.

90559547234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072025.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 90559547234 in words is "ninety billion, five hundred fifty-nine million, five hundred forty-seven thousand, two hundred thirty-four".