550290146 has 8 divisors (see below), whose sum is σ = 943354560. Its totient is φ = 235838628.

The previous prime is 550290121. The next prime is 550290163. The reversal of 550290146 is 641092055.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19653206 + ... + 19653233.

It is an arithmetic number, because the mean of its divisors is an integer number (117919320).

Almost surely, 2^550290146 is an apocalyptic number.

550290146 is a deficient number, since it is larger than the sum of its proper divisors (393064414).

550290146 is a wasteful number, since it uses less digits than its factorization.

550290146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39306448.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 550290146 is about 23458.2639170080. The cubic root of 550290146 is about 819.4653196910.

The spelling of 550290146 in words is "five hundred fifty million, two hundred ninety thousand, one hundred forty-six".