550783158928 has 20 divisors (see below), whose sum is σ = 1123307758960. Its totient is φ = 260897285664.

The previous prime is 550783158923. The next prime is 550783158931. The reversal of 550783158928 is 829851387055.

It is a super-2 number, since 2×550783158928² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550783158923) 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, 905893050 + ... + 905893657.

It is an arithmetic number, because the mean of its divisors is an integer number (56165387948).

Almost surely, 2^550783158928 is an apocalyptic number.

It is an amenable number.

550783158928 is an abundant number, since it is smaller than the sum of its proper divisors (572524600032).

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

550783158928 is a wasteful number, since it uses less digits than its factorization.

550783158928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811786734 (or 1811786728 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 61.

The spelling of 550783158928 in words is "five hundred fifty billion, seven hundred eighty-three million, one hundred fifty-eight thousand, nine hundred twenty-eight".