550541451001 has 4 divisors (see below), whose sum is σ = 552825855604. Its totient is φ = 548257046400.

The previous prime is 550541450999. The next prime is 550541451011. The reversal of 550541451001 is 100154145055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 494805323776 + 55736127225 = 703424^2 + 236085^2 .

It is a cyclic number.

It is not a de Polignac number, because 550541451001 - 2¹ = 550541450999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550541451011) 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, 1142201940 + ... + 1142202421.

It is an arithmetic number, because the mean of its divisors is an integer number (138206463901).

Almost surely, 2^550541451001 is an apocalyptic number.

It is an amenable number.

550541451001 is a deficient number, since it is larger than the sum of its proper divisors (2284404603).

550541451001 is a wasteful number, since it uses less digits than its factorization.

550541451001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284404602.

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 550541451001 its reverse (100154145055), we get a palindrome (650695596056).

The spelling of 550541451001 in words is "five hundred fifty billion, five hundred forty-one million, four hundred fifty-one thousand, one".