550215134504 has 48 divisors (see below), whose sum is σ = 1201538422080. Its totient is φ = 235521212640.

The previous prime is 550215134501. The next prime is 550215134509. The reversal of 550215134504 is 405431512055.

It is a super-2 number, since 2×550215134504² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550215134501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524432 + ... + 1172799.

It is an arithmetic number, because the mean of its divisors is an integer number (25032050460).

Almost surely, 2^550215134504 is an apocalyptic number.

It is an amenable number.

550215134504 is an abundant number, since it is smaller than the sum of its proper divisors (651323287576).

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

550215134504 is a wasteful number, since it uses less digits than its factorization.

550215134504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698078 (or 1698067 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 550215134504 its reverse (405431512055), we get a palindrome (955646646559).

The spelling of 550215134504 in words is "five hundred fifty billion, two hundred fifteen million, one hundred thirty-four thousand, five hundred four".