550320424 has 8 divisors (see below), whose sum is σ = 1031850810. Its totient is φ = 275160208.

The previous prime is 550320403. The next prime is 550320457. The reversal of 550320424 is 424023055.

It can be written as a sum of positive squares in only one way, i.e., 353816100 + 196504324 = 18810^2 + 14018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34395019 + ... + 34395034.

Almost surely, 2^550320424 is an apocalyptic number.

It is an amenable number.

550320424 is a deficient number, since it is larger than the sum of its proper divisors (481530386).

550320424 is a wasteful number, since it uses less digits than its factorization.

550320424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68790059 (or 68790055 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 550320424 is about 23458.9092670567. The cubic root of 550320424 is about 819.4803489236.

Adding to 550320424 its reverse (424023055), we get a palindrome (974343479).

The spelling of 550320424 in words is "five hundred fifty million, three hundred twenty thousand, four hundred twenty-four".