550106129442 has 16 divisors (see below), whose sum is σ = 1100891002752. Its totient is φ = 183255585840.

The previous prime is 550106129437. The next prime is 550106129501. The reversal of 550106129442 is 244921601055.

It is a self number, because there is not a number n which added to its sum of digits gives 550106129442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28270458 + ... + 28289909.

It is an arithmetic number, because the mean of its divisors is an integer number (68805687672).

Almost surely, 2^550106129442 is an apocalyptic number.

550106129442 is an abundant number, since it is smaller than the sum of its proper divisors (550784873310).

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

550106129442 is a wasteful number, since it uses less digits than its factorization.

550106129442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56561993.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 550106129442 in words is "five hundred fifty billion, one hundred six million, one hundred twenty-nine thousand, four hundred forty-two".