550780243860 has 144 divisors (see below), whose sum is σ = 1957058228160. Its totient is φ = 114447836160.

The previous prime is 550780243843. The next prime is 550780243877. The reversal of 550780243860 is 68342087055.

It is an interprime number because it is at equal distance from previous prime (550780243843) and next prime (550780243877).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8483125 + ... + 8547804.

It is an arithmetic number, because the mean of its divisors is an integer number (13590682140).

Almost surely, 2^550780243860 is an apocalyptic number.

It is an amenable number.

550780243860 is an abundant number, since it is smaller than the sum of its proper divisors (1406277984300).

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

550780243860 is a wasteful number, since it uses less digits than its factorization.

550780243860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17030966 (or 17030957 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 550780243860 in words is "five hundred fifty billion, seven hundred eighty million, two hundred forty-three thousand, eight hundred sixty".