550140667 has 4 divisors (see below), whose sum is σ = 562934680. Its totient is φ = 537346656.

The previous prime is 550140653. The next prime is 550140673. The reversal of 550140667 is 766041055.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550140667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550140677) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6396942 + ... + 6397027.

It is an arithmetic number, because the mean of its divisors is an integer number (140733670).

Almost surely, 2^550140667 is an apocalyptic number.

550140667 is a deficient number, since it is larger than the sum of its proper divisors (12794013).

550140667 is a wasteful number, since it uses less digits than its factorization.

550140667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794012.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 550140667 is about 23455.0776379018. The cubic root of 550140667 is about 819.3911140195.

The spelling of 550140667 in words is "five hundred fifty million, one hundred forty thousand, six hundred sixty-seven".