550155106650 has 48 divisors (see below), whose sum is σ = 1368249908544. Its totient is φ = 146292410880.

The previous prime is 550155106607. The next prime is 550155106661. The reversal of 550155106650 is 56601551055.

It is a junction number, because it is equal to n+sod(n) for n = 550155106599 and 550155106608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5142094 + ... + 5247993.

It is an arithmetic number, because the mean of its divisors is an integer number (28505206428).

Almost surely, 2^550155106650 is an apocalyptic number.

550155106650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550155106650 is an abundant number, since it is smaller than the sum of its proper divisors (818094801894).

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

550155106650 is a wasteful number, since it uses less digits than its factorization.

550155106650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390455 (or 10390450 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 550155106650 in words is "five hundred fifty billion, one hundred fifty-five million, one hundred six thousand, six hundred fifty".