90396054 has 64 divisors (see below), whose sum is σ = 232243200. Its totient is φ = 25527744.

The previous prime is 90396013. The next prime is 90396073. The reversal of 90396054 is 45069309.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32299 + ... + 34985.

It is an arithmetic number, because the mean of its divisors is an integer number (3628800).

Almost surely, 2^90396054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90396054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116121600).

90396054 is an abundant number, since it is smaller than the sum of its proper divisors (141847146).

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

90396054 is a wasteful number, since it uses less digits than its factorization.

90396054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2788 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 90396054 is about 9507.6839451046. The cubic root of 90396054 is about 448.7968750676.

The spelling of 90396054 in words is "ninety million, three hundred ninety-six thousand, fifty-four".