550561601107 has 12 divisors (see below), whose sum is σ = 640815908520. Its totient is φ = 471639744576.

The previous prime is 550561601071. The next prime is 550561601111. The reversal of 550561601107 is 701106165055.

It is not a de Polignac number, because 550561601107 - 2³⁹ = 805787219 is a prime.

It is a super-2 number, since 2×550561601107² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550561601207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3130182 + ... + 3301387.

It is an arithmetic number, because the mean of its divisors is an integer number (53401325710).

Almost surely, 2^550561601107 is an apocalyptic number.

550561601107 is a deficient number, since it is larger than the sum of its proper divisors (90254307413).

550561601107 is a wasteful number, since it uses less digits than its factorization.

550561601107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433330 (or 6433323 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 550561601107 in words is "five hundred fifty billion, five hundred sixty-one million, six hundred one thousand, one hundred seven".