550250443021 has 8 divisors (see below), whose sum is σ = 568015193088. Its totient is φ = 532486614000.

The previous prime is 550250442979. The next prime is 550250443037. The reversal of 550250443021 is 120344052055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550250443021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550250443621) 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, 1107276 + ... + 1525306.

It is an arithmetic number, because the mean of its divisors is an integer number (71001899136).

Almost surely, 2^550250443021 is an apocalyptic number.

It is an amenable number.

550250443021 is a deficient number, since it is larger than the sum of its proper divisors (17764750067).

550250443021 is a wasteful number, since it uses less digits than its factorization.

550250443021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460523.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 550250443021 its reverse (120344052055), we get a palindrome (670594495076).

The spelling of 550250443021 in words is "five hundred fifty billion, two hundred fifty million, four hundred forty-three thousand, twenty-one".