19090056 has 32 divisors (see below), whose sum is σ = 47930400. Its totient is φ = 6336000.

The previous prime is 19090013. The next prime is 19090063. The reversal of 19090056 is 65009091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4440 + ... + 7608.

It is an arithmetic number, because the mean of its divisors is an integer number (1497825).

Almost surely, 2^19090056 is an apocalyptic number.

It is an amenable number.

19090056 is an abundant number, since it is smaller than the sum of its proper divisors (28840344).

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

19090056 is a wasteful number, since it uses less digits than its factorization.

19090056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 19090056 is about 4369.2168634665. The cubic root of 19090056 is about 267.2610892749.

The spelling of 19090056 in words is "nineteen million, ninety thousand, fifty-six".