550215134144 has 56 divisors (see below), whose sum is σ = 1177887804240. Its totient is φ = 253498927104.

The previous prime is 550215134123. The next prime is 550215134179. The reversal of 550215134144 is 441431512055.

It is a happy number.

It is a super-2 number, since 2×550215134144² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 107714 + ... + 1054529.

It is an arithmetic number, because the mean of its divisors is an integer number (21033710790).

Almost surely, 2^550215134144 is an apocalyptic number.

It is an amenable number.

550215134144 is an abundant number, since it is smaller than the sum of its proper divisors (627672670096).

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

550215134144 is a wasteful number, since it uses less digits than its factorization.

550215134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162837 (or 1162827 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 550215134144 its reverse (441431512055), we get a palindrome (991646646199).

The spelling of 550215134144 in words is "five hundred fifty billion, two hundred fifteen million, one hundred thirty-four thousand, one hundred forty-four".