550321838 has 16 divisors (see below), whose sum is σ = 901950336. Its totient is φ = 249750840.

The previous prime is 550321829. The next prime is 550321847. The reversal of 550321838 is 838123055.

It is an interprime number because it is at equal distance from previous prime (550321829) and next prime (550321847).

It is a junction number, because it is equal to n+sod(n) for n = 550321798 and 550321807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5306 + ... + 33597.

It is an arithmetic number, because the mean of its divisors is an integer number (56371896).

Almost surely, 2^550321838 is an apocalyptic number.

550321838 is a deficient number, since it is larger than the sum of its proper divisors (351628498).

550321838 is a wasteful number, since it uses less digits than its factorization.

550321838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39559.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 550321838 is about 23458.9394048410. The cubic root of 550321838 is about 819.4810507839.

The spelling of 550321838 in words is "five hundred fifty million, three hundred twenty-one thousand, eight hundred thirty-eight".