555505244001 has 6 divisors (see below), whose sum is σ = 802396463570. Its totient is φ = 370336829328.

The previous prime is 555505243939. The next prime is 555505244023. The reversal of 555505244001 is 100442505555.

555505244001 is a `hidden beast` number, since 55 + 550 + 52 + 4 + 4 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 329333663376 + 226171580625 = 573876^2 + 475575^2 .

It is not a de Polignac number, because 555505244001 - 2¹⁹ = 555504719713 is a prime.

It is a super-2 number, since 2×555505244001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555505244201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30861402436 + ... + 30861402453.

Almost surely, 2^555505244001 is an apocalyptic number.

It is an amenable number.

555505244001 is a deficient number, since it is larger than the sum of its proper divisors (246891219569).

555505244001 is a wasteful number, since it uses less digits than its factorization.

555505244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61722804895 (or 61722804892 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

Adding to 555505244001 its reverse (100442505555), we get a palindrome (655947749556).

The spelling of 555505244001 in words is "five hundred fifty-five billion, five hundred five million, two hundred forty-four thousand, one".