550220255651 has 8 divisors (see below), whose sum is σ = 610080284208. Its totient is φ = 492000228000.

The previous prime is 550220255639. The next prime is 550220255719. The reversal of 550220255651 is 156552022055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550220255651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550220255051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409999520 + ... + 410000861.

It is an arithmetic number, because the mean of its divisors is an integer number (76260035526).

Almost surely, 2^550220255651 is an apocalyptic number.

550220255651 is a deficient number, since it is larger than the sum of its proper divisors (59860028557).

550220255651 is a wasteful number, since it uses less digits than its factorization.

550220255651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820000453.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 550220255651 in words is "five hundred fifty billion, two hundred twenty million, two hundred fifty-five thousand, six hundred fifty-one".