550221523532 has 6 divisors (see below), whose sum is σ = 962887666188. Its totient is φ = 275110761764.

The previous prime is 550221523531. The next prime is 550221523549. The reversal of 550221523532 is 235325122055.

It is a junction number, because it is equal to n+sod(n) for n = 550221523492 and 550221523501.

It is not an unprimeable number, because it can be changed into a prime (550221523531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68777690438 + ... + 68777690445.

It is an arithmetic number, because the mean of its divisors is an integer number (160481277698).

Almost surely, 2^550221523532 is an apocalyptic number.

It is an amenable number.

550221523532 is a deficient number, since it is larger than the sum of its proper divisors (412666142656).

550221523532 is a wasteful number, since it uses less digits than its factorization.

550221523532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137555380887 (or 137555380885 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 550221523532 its reverse (235325122055), we get a palindrome (785546645587).

It can be divided in two parts, 550221523 and 532, that added together give a palindrome (550222055).

The spelling of 550221523532 in words is "five hundred fifty billion, two hundred twenty-one million, five hundred twenty-three thousand, five hundred thirty-two".