550550111487 has 64 divisors (see below), whose sum is σ = 803517235200. Its totient is φ = 334223809920.

The previous prime is 550550111479. The next prime is 550550111591. The reversal of 550550111487 is 784111055055.

It is not a de Polignac number, because 550550111487 - 2³ = 550550111479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550550111887) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144008058 + ... + 144011880.

It is an arithmetic number, because the mean of its divisors is an integer number (12554956800).

Almost surely, 2^550550111487 is an apocalyptic number.

550550111487 is a deficient number, since it is larger than the sum of its proper divisors (252967123713).

550550111487 is a wasteful number, since it uses less digits than its factorization.

550550111487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868.

The product of its (nonzero) digits is 140000, while the sum is 42.

The spelling of 550550111487 in words is "five hundred fifty billion, five hundred fifty million, one hundred eleven thousand, four hundred eighty-seven".