550403124 has 24 divisors (see below), whose sum is σ = 1303444128. Its totient is φ = 180729120.

The previous prime is 550403107. The next prime is 550403149. The reversal of 550403124 is 421304055.

It is a junction number, because it is equal to n+sod(n) for n = 550403094 and 550403103.

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, 341487 + ... + 343094.

It is an arithmetic number, because the mean of its divisors is an integer number (54310172).

Almost surely, 2^550403124 is an apocalyptic number.

It is an amenable number.

550403124 is an abundant number, since it is smaller than the sum of its proper divisors (753041004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550403124 is a wasteful number, since it uses less digits than its factorization.

550403124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684655 (or 684653 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 550403124 is about 23460.6718573872. The cubic root of 550403124 is about 819.5213963010.

Adding to 550403124 its reverse (421304055), we get a palindrome (971707179).

It can be divided in two parts, 5504031 and 24, that added together give a palindrome (5504055).

The spelling of 550403124 in words is "five hundred fifty million, four hundred three thousand, one hundred twenty-four".