550622554645 has 32 divisors (see below), whose sum is σ = 705570624000. Its totient is φ = 411304158720.

The previous prime is 550622554639. The next prime is 550622554661. The reversal of 550622554645 is 546455226055.

It is not a de Polignac number, because 550622554645 - 2⁵ = 550622554613 is a prime.

It is a super-2 number, since 2×550622554645² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4205875 + ... + 4334815.

It is an arithmetic number, because the mean of its divisors is an integer number (22049082000).

Almost surely, 2^550622554645 is an apocalyptic number.

It is an amenable number.

550622554645 is a deficient number, since it is larger than the sum of its proper divisors (154948069355).

550622554645 is a wasteful number, since it uses less digits than its factorization.

550622554645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129613.

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 550622554645 in words is "five hundred fifty billion, six hundred twenty-two million, five hundred fifty-four thousand, six hundred forty-five".