551010601 has 4 divisors (see below), whose sum is σ = 551676100. Its totient is φ = 550345104.

The previous prime is 551010599. The next prime is 551010611. The reversal of 551010601 is 106010155.

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 258566400 + 292444201 = 16080^2 + 17101^2 .

It is a cyclic number.

It is not a de Polignac number, because 551010601 - 2¹ = 551010599 is a prime.

It is a super-2 number, since 2×551010601² = 607225364828762402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551010611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331506 + ... + 333163.

It is an arithmetic number, because the mean of its divisors is an integer number (137919025).

Almost surely, 2^551010601 is an apocalyptic number.

It is an amenable number.

551010601 is a deficient number, since it is larger than the sum of its proper divisors (665499).

551010601 is an equidigital number, since it uses as much as digits as its factorization.

551010601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665498.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 551010601 is about 23473.6149964167. The cubic root of 551010601 is about 819.8227859160.

Adding to 551010601 its reverse (106010155), we get a palindrome (657020756).

The spelling of 551010601 in words is "five hundred fifty-one million, ten thousand, six hundred one".