550887842 has 8 divisors (see below), whose sum is σ = 826514076. Its totient is φ = 275383152.

The previous prime is 550887829. The next prime is 550887847. The reversal of 550887842 is 248788055.

It is a Cunningham number, because it is equal to 23471²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 550887841 + 1 = 23471^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (550887847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18053 + ... + 37784.

Almost surely, 2^550887842 is an apocalyptic number.

550887842 is a deficient number, since it is larger than the sum of its proper divisors (275626234).

550887842 is a wasteful number, since it uses less digits than its factorization.

550887842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60772.

The product of its (nonzero) digits is 716800, while the sum is 47.

The square root of 550887842 is about 23471.0000213029. Note that the first 4 decimals coincide. The cubic root of 550887842 is about 819.7618989445.

The spelling of 550887842 in words is "five hundred fifty million, eight hundred eighty-seven thousand, eight hundred forty-two".