500005550501 has 2 divisors, whose sum is σ = 500005550502. Its totient is φ = 500005550500.

The previous prime is 500005550459. The next prime is 500005550521. The reversal of 500005550501 is 105055500005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382757518276 + 117248032225 = 618674^2 + 342415^2 .

It is a cyclic number.

It is not a de Polignac number, because 500005550501 - 2¹⁸ = 500005288357 is a prime.

It is a super-2 number, since 2×500005550501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500005550521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250002775250 + 250002775251.

It is an arithmetic number, because the mean of its divisors is an integer number (250002775251).

Almost surely, 2^500005550501 is an apocalyptic number.

It is an amenable number.

500005550501 is a deficient number, since it is larger than the sum of its proper divisors (1).

500005550501 is an equidigital number, since it uses as much as digits as its factorization.

500005550501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 500005550501 in words is "five hundred billion, five million, five hundred fifty thousand, five hundred one".