550103504621 has 8 divisors (see below), whose sum is σ = 600176726688. Its totient is φ = 500040918000.

The previous prime is 550103504603. The next prime is 550103504641. The reversal of 550103504621 is 126405301055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550103504621 - 2³⁸ = 275225597677 is a prime.

It is a super-2 number, since 2×550103504621² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550103504641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550515 + ... + 2757776.

It is an arithmetic number, because the mean of its divisors is an integer number (75022090836).

Almost surely, 2^550103504621 is an apocalyptic number.

It is an amenable number.

550103504621 is a deficient number, since it is larger than the sum of its proper divisors (50073222067).

550103504621 is a wasteful number, since it uses less digits than its factorization.

550103504621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317723.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 550103504621 its reverse (126405301055), we get a palindrome (676508805676).

The spelling of 550103504621 in words is "five hundred fifty billion, one hundred three million, five hundred four thousand, six hundred twenty-one".