550541643853158 has 12 divisors (see below), whose sum is σ = 1192840228348548. Its totient is φ = 183513881284380.

The previous prime is 550541643853127. The next prime is 550541643853249. The reversal of 550541643853158 is 851358346145055.

550541643853158 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 4 + 1 + 6 + 43 + 8 + 531 + 58 = 666.

It is a super-2 number, since 2×550541643853158² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550541643853095 and 550541643853104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15292823440348 + ... + 15292823440383.

It is an arithmetic number, because the mean of its divisors is an integer number (99403352362379).

Almost surely, 2^{550541643853158} is an apocalyptic number.

550541643853158 is an abundant number, since it is smaller than the sum of its proper divisors (642298584495390).

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

550541643853158 is a wasteful number, since it uses less digits than its factorization.

550541643853158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30585646880739 (or 30585646880736 counting only the distinct ones).

The product of its (nonzero) digits is 172800000, while the sum is 63.

The spelling of 550541643853158 in words is "five hundred fifty trillion, five hundred forty-one billion, six hundred forty-three million, eight hundred fifty-three thousand, one hundred fifty-eight".