550422506 has 4 divisors (see below), whose sum is σ = 825633762. Its totient is φ = 275211252.

The previous prime is 550422503. The next prime is 550422511. The reversal of 550422506 is 605224055.

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., 401802025 + 148620481 = 20045^2 + 12191^2 .

It is a super-2 number, since 2×550422506² = 605929870222640072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550422503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137605625 + ... + 137605628.

Almost surely, 2^550422506 is an apocalyptic number.

550422506 is a deficient number, since it is larger than the sum of its proper divisors (275211256).

550422506 is a wasteful number, since it uses less digits than its factorization.

550422506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275211255.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 550422506 is about 23461.0849280250. The cubic root of 550422506 is about 819.5310157820.

The spelling of 550422506 in words is "five hundred fifty million, four hundred twenty-two thousand, five hundred six".