550731356 has 12 divisors (see below), whose sum is σ = 1101462768. Its totient is φ = 236027712.

The previous prime is 550731353. The next prime is 550731367. The reversal of 550731356 is 653137055.

550731356 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550731353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9834461 + ... + 9834516.

It is an arithmetic number, because the mean of its divisors is an integer number (91788564).

Almost surely, 2^550731356 is an apocalyptic number.

It is an amenable number.

550731356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

550731356 is a wasteful number, since it uses less digits than its factorization.

550731356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19668988 (or 19668986 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 35.

The square root of 550731356 is about 23467.6661813654. Note that the first 3 decimals coincide. The cubic root of 550731356 is about 819.6842706754.

It can be divided in two parts, 5507 and 31356, that added together give a palindrome (36863).

The spelling of 550731356 in words is "five hundred fifty million, seven hundred thirty-one thousand, three hundred fifty-six".