550437442 has 4 divisors (see below), whose sum is σ = 825656166. Its totient is φ = 275218720.

The previous prime is 550437421. The next prime is 550437451. The reversal of 550437442 is 244734055.

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., 542377521 + 8059921 = 23289^2 + 2839^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550437398 and 550437407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137609359 + ... + 137609362.

Almost surely, 2^550437442 is an apocalyptic number.

550437442 is a deficient number, since it is larger than the sum of its proper divisors (275218724).

550437442 is a wasteful number, since it uses less digits than its factorization.

550437442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275218723.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 550437442 is about 23461.4032402156. The cubic root of 550437442 is about 819.5384285146.

The spelling of 550437442 in words is "five hundred fifty million, four hundred thirty-seven thousand, four hundred forty-two".