550355422542 has 8 divisors (see below), whose sum is σ = 1100710845096. Its totient is φ = 183451807512.

The previous prime is 550355422469. The next prime is 550355422543. The reversal of 550355422542 is 245224553055.

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

550355422542 is an admirable number.

It is a super-2 number, since 2×550355422542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550355422494 and 550355422503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550355422543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45862951873 + ... + 45862951884.

It is an arithmetic number, because the mean of its divisors is an integer number (137588855637).

Almost surely, 2^550355422542 is an apocalyptic number.

550355422542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550355422542 is a wasteful number, since it uses less digits than its factorization.

550355422542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91725903762.

The product of its (nonzero) digits is 1200000, while the sum is 42.

Adding to 550355422542 its reverse (245224553055), we get a palindrome (795579975597).

The spelling of 550355422542 in words is "five hundred fifty billion, three hundred fifty-five million, four hundred twenty-two thousand, five hundred forty-two".