550312551342 has 32 divisors (see below), whose sum is σ = 1222941232800. Its totient is φ = 183433849344.

The previous prime is 550312551331. The next prime is 550312551379. The reversal of 550312551342 is 243155213055.

550312551342 is a `hidden beast` number, since 5 + 50 + 3 + 12 + 551 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 550312551297 and 550312551306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4701148 + ... + 4816784.

It is an arithmetic number, because the mean of its divisors is an integer number (38216913525).

Almost surely, 2^550312551342 is an apocalyptic number.

550312551342 is an abundant number, since it is smaller than the sum of its proper divisors (672628681458).

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

550312551342 is a wasteful number, since it uses less digits than its factorization.

550312551342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203777 (or 203771 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 550312551342 its reverse (243155213055), we get a palindrome (793467764397).

The spelling of 550312551342 in words is "five hundred fifty billion, three hundred twelve million, five hundred fifty-one thousand, three hundred forty-two".