550523504501 has 4 divisors (see below), whose sum is σ = 550525429152. Its totient is φ = 550521579852.

The previous prime is 550523504407. The next prime is 550523504507. The reversal of 550523504501 is 105405325055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 550523504501 - 2¹⁴ = 550523488117 is a prime.

It is a super-2 number, since 2×550523504501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550523504507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438065 + ... + 1137078.

It is an arithmetic number, because the mean of its divisors is an integer number (137631357288).

Almost surely, 2^550523504501 is an apocalyptic number.

It is an amenable number.

550523504501 is a deficient number, since it is larger than the sum of its proper divisors (1924651).

550523504501 is a wasteful number, since it uses less digits than its factorization.

550523504501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924650.

The product of its (nonzero) digits is 75000, while the sum is 35.

Adding to 550523504501 its reverse (105405325055), we get a palindrome (655928829556).

It can be divided in two parts, 55052 and 3504501, that added together give a palindrome (3559553).

The spelling of 550523504501 in words is "five hundred fifty billion, five hundred twenty-three million, five hundred four thousand, five hundred one".