90054458 has 16 divisors (see below), whose sum is σ = 146320776. Its totient is φ = 41321280.

The previous prime is 90054451. The next prime is 90054463. The reversal of 90054458 is 85445009.

It can be written as a sum of positive squares in 4 ways, for example, as 58323769 + 31730689 = 7637^2 + 5633^2 .

It is not an unprimeable number, because it can be changed into a prime (90054451) 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, 5513 + ... + 14508.

Almost surely, 2^90054458 is an apocalyptic number.

90054458 is a deficient number, since it is larger than the sum of its proper divisors (56266318).

90054458 is a wasteful number, since it uses less digits than its factorization.

90054458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20209.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 90054458 is about 9489.7027350703. The cubic root of 90054458 is about 448.2308447048.

The spelling of 90054458 in words is "ninety million, fifty-four thousand, four hundred fifty-eight".