550221523492 has 6 divisors (see below), whose sum is σ = 962887666118. Its totient is φ = 275110761744.

The previous prime is 550221523483. The next prime is 550221523529. The reversal of 550221523492 is 294325122055.

It can be written as a sum of positive squares in only one way, i.e., 483645138916 + 66576384576 = 695446^2 + 258024^2 .

It is a super-3 number, since 3×550221523492³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68777690433 + ... + 68777690440.

Almost surely, 2^550221523492 is an apocalyptic number.

It is an amenable number.

550221523492 is a deficient number, since it is larger than the sum of its proper divisors (412666142626).

550221523492 is a wasteful number, since it uses less digits than its factorization.

550221523492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137555380877 (or 137555380875 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 550221523492 in words is "five hundred fifty billion, two hundred twenty-one million, five hundred twenty-three thousand, four hundred ninety-two".