550221025606 has 48 divisors (see below), whose sum is σ = 977281733376. Its totient is φ = 227584742112.

The previous prime is 550221025603. The next prime is 550221025609. The reversal of 550221025606 is 606520122055.

It is an interprime number because it is at equal distance from previous prime (550221025603) and next prime (550221025609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550221025603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33983445 + ... + 33999631.

It is an arithmetic number, because the mean of its divisors is an integer number (20360036112).

Almost surely, 2^550221025606 is an apocalyptic number.

550221025606 is a deficient number, since it is larger than the sum of its proper divisors (427060707770).

550221025606 is a wasteful number, since it uses less digits than its factorization.

550221025606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19141 (or 19112 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 550221025606 in words is "five hundred fifty billion, two hundred twenty-one million, twenty-five thousand, six hundred six".