90543508446 has 16 divisors (see below), whose sum is σ = 182006242704. Its totient is φ = 30027965184.

The previous prime is 90543508439. The next prime is 90543508457. The reversal of 90543508446 is 64480534509.

It is a junction number, because it is equal to n+sod(n) for n = 90543508395 and 90543508404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38299795 + ... + 38302158.

It is an arithmetic number, because the mean of its divisors is an integer number (11375390169).

Almost surely, 2^90543508446 is an apocalyptic number.

90543508446 is an abundant number, since it is smaller than the sum of its proper divisors (91462734258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90543508446 is a wasteful number, since it uses less digits than its factorization.

90543508446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76602155.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 90543508446 in words is "ninety billion, five hundred forty-three million, five hundred eight thousand, four hundred forty-six".