550143234703516 has 48 divisors (see below), whose sum is σ = 993441009899520. Its totient is φ = 266373743296320.

The previous prime is 550143234703511. The next prime is 550143234703529. The reversal of 550143234703516 is 615307432341055.

It is a self number, because there is not a number n which added to its sum of digits gives 550143234703516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550143234703511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137000625 + ... + 140959063.

It is an arithmetic number, because the mean of its divisors is an integer number (20696687706240).

Almost surely, 2^{550143234703516} is an apocalyptic number.

It is an amenable number.

550143234703516 is a deficient number, since it is larger than the sum of its proper divisors (443297775196004).

550143234703516 is a wasteful number, since it uses less digits than its factorization.

550143234703516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962914 (or 3962912 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 550143234703516 in words is "five hundred fifty trillion, one hundred forty-three billion, two hundred thirty-four million, seven hundred three thousand, five hundred sixteen".