550426332156 has 12 divisors (see below), whose sum is σ = 1284328108392. Its totient is φ = 183475444048.

The previous prime is 550426332119. The next prime is 550426332161. The reversal of 550426332156 is 651233624055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22934430495 + ... + 22934430518.

It is an arithmetic number, because the mean of its divisors is an integer number (107027342366).

Almost surely, 2^550426332156 is an apocalyptic number.

It is an amenable number.

550426332156 is an abundant number, since it is smaller than the sum of its proper divisors (733901776236).

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

550426332156 is a wasteful number, since it uses less digits than its factorization.

550426332156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45868861020 (or 45868861018 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 550426332156 in words is "five hundred fifty billion, four hundred twenty-six million, three hundred thirty-two thousand, one hundred fifty-six".