90324555533 has 16 divisors (see below), whose sum is σ = 95963489136. Its totient is φ = 84722319360.

The previous prime is 90324555481. The next prime is 90324555551. The reversal of 90324555533 is 33555542309.

It can be written as a sum of positive squares in 8 ways, for example, as 5021423044 + 85303132489 = 70862^2 + 292067^2 .

It is a cyclic number.

It is not a de Polignac number, because 90324555533 - 2¹² = 90324551437 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 (90324545533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6182285 + ... + 6196877.

It is an arithmetic number, because the mean of its divisors is an integer number (5997718071).

Almost surely, 2^90324555533 is an apocalyptic number.

It is an amenable number.

90324555533 is a deficient number, since it is larger than the sum of its proper divisors (5638933603).

90324555533 is a wasteful number, since it uses less digits than its factorization.

90324555533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824.

The product of its (nonzero) digits is 1215000, while the sum is 44.

The spelling of 90324555533 in words is "ninety billion, three hundred twenty-four million, five hundred fifty-five thousand, five hundred thirty-three".