550219273478 has 32 divisors (see below), whose sum is σ = 961963361280. Its totient is φ = 231134323680.

The previous prime is 550219273441. The next prime is 550219273481. The reversal of 550219273478 is 874372912055.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 405383 + ... + 1124621.

It is an arithmetic number, because the mean of its divisors is an integer number (30061355040).

Almost surely, 2^550219273478 is an apocalyptic number.

550219273478 is a deficient number, since it is larger than the sum of its proper divisors (411744087802).

550219273478 is a wasteful number, since it uses less digits than its factorization.

550219273478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720332.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 550219273478 in words is "five hundred fifty billion, two hundred nineteen million, two hundred seventy-three thousand, four hundred seventy-eight".