550370220555 has 8 divisors (see below), whose sum is σ = 880592352912. Its totient is φ = 293530784288.

The previous prime is 550370220457. The next prime is 550370220577. The reversal of 550370220555 is 555022073055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550370220555 - 2¹¹ = 550370218507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18345674004 + ... + 18345674033.

It is an arithmetic number, because the mean of its divisors is an integer number (110074044114).

Almost surely, 2^550370220555 is an apocalyptic number.

550370220555 is a deficient number, since it is larger than the sum of its proper divisors (330222132357).

550370220555 is a wasteful number, since it uses less digits than its factorization.

550370220555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36691348045.

The product of its (nonzero) digits is 262500, while the sum is 39.

The spelling of 550370220555 in words is "five hundred fifty billion, three hundred seventy million, two hundred twenty thousand, five hundred fifty-five".