550015546 has 4 divisors (see below), whose sum is σ = 825023322. Its totient is φ = 275007772.

The previous prime is 550015541. The next prime is 550015549. The reversal of 550015546 is 645510055.

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

It can be written as a sum of positive squares in only one way, i.e., 491109921 + 58905625 = 22161^2 + 7675^2 .

It is not an unprimeable number, because it can be changed into a prime (550015541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137503885 + ... + 137503888.

Almost surely, 2^550015546 is an apocalyptic number.

550015546 is a deficient number, since it is larger than the sum of its proper divisors (275007776).

550015546 is a wasteful number, since it uses less digits than its factorization.

550015546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275007775.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 550015546 is about 23452.4102386087. The cubic root of 550015546 is about 819.3289900240.

The spelling of 550015546 in words is "five hundred fifty million, fifteen thousand, five hundred forty-six".