90050554 has 16 divisors (see below), whose sum is σ = 147712896. Its totient is φ = 40832800.

The previous prime is 90050549. The next prime is 90050573. The reversal of 90050554 is 45505009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4734 + ... + 14230.

It is an arithmetic number, because the mean of its divisors is an integer number (9232056).

Almost surely, 2^90050554 is an apocalyptic number.

90050554 is a deficient number, since it is larger than the sum of its proper divisors (57662342).

90050554 is a wasteful number, since it uses less digits than its factorization.

90050554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 90050554 is about 9489.4970361974. The cubic root of 90050554 is about 448.2243674445.

The spelling of 90050554 in words is "ninety million, fifty thousand, five hundred fifty-four".