90233554 has 16 divisors (see below), whose sum is σ = 141460992. Its totient is φ = 43086208.

The previous prime is 90233537. The next prime is 90233567. The reversal of 90233554 is 45533209.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38562 + ... + 40834.

It is an arithmetic number, because the mean of its divisors is an integer number (8841312).

Almost surely, 2^90233554 is an apocalyptic number.

90233554 is a deficient number, since it is larger than the sum of its proper divisors (51227438).

90233554 is a wasteful number, since it uses less digits than its factorization.

90233554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 90233554 is about 9499.1343816160. The cubic root of 90233554 is about 448.5277879666.

The spelling of 90233554 in words is "ninety million, two hundred thirty-three thousand, five hundred fifty-four".