550150646 has 4 divisors (see below), whose sum is σ = 825225972. Its totient is φ = 275075322.

The previous prime is 550150631. The next prime is 550150649. The reversal of 550150646 is 646051055.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550150649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137537660 + ... + 137537663.

It is an arithmetic number, because the mean of its divisors is an integer number (206306493).

Almost surely, 2^550150646 is an apocalyptic number.

550150646 is a deficient number, since it is larger than the sum of its proper divisors (275075326).

550150646 is a wasteful number, since it uses less digits than its factorization.

550150646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275075325.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 550150646 is about 23455.2903627305. The cubic root of 550150646 is about 819.3960683006.

The spelling of 550150646 in words is "five hundred fifty million, one hundred fifty thousand, six hundred forty-six".