550146188 has 12 divisors (see below), whose sum is σ = 963182472. Its totient is φ = 274951200.

The previous prime is 550146173. The next prime is 550146193. The reversal of 550146188 is 881641055.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 19913 + ... + 38688.

It is an arithmetic number, because the mean of its divisors is an integer number (80265206).

Almost surely, 2^550146188 is an apocalyptic number.

It is an amenable number.

550146188 is a deficient number, since it is larger than the sum of its proper divisors (413036284).

550146188 is a wasteful number, since it uses less digits than its factorization.

550146188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60952 (or 60950 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 550146188 is about 23455.1953306725. The cubic root of 550146188 is about 819.3938550416.

The spelling of 550146188 in words is "five hundred fifty million, one hundred forty-six thousand, one hundred eighty-eight".