550027780550 has 12 divisors (see below), whose sum is σ = 1023051671916. Its totient is φ = 220011112200.

The previous prime is 550027780501. The next prime is 550027780571. The reversal of 550027780550 is 55087720055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5500277756 + ... + 5500277855.

It is an arithmetic number, because the mean of its divisors is an integer number (85254305993).

Almost surely, 2^550027780550 is an apocalyptic number.

550027780550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550027780550 is a deficient number, since it is larger than the sum of its proper divisors (473023891366).

550027780550 is a wasteful number, since it uses less digits than its factorization.

550027780550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000555623 (or 11000555618 counting only the distinct ones).

The product of its (nonzero) digits is 490000, while the sum is 44.

The spelling of 550027780550 in words is "five hundred fifty billion, twenty-seven million, seven hundred eighty thousand, five hundred fifty".