506050551901 has 2 divisors, whose sum is σ = 506050551902. Its totient is φ = 506050551900.

The previous prime is 506050551871. The next prime is 506050551947. The reversal of 506050551901 is 109155050605.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394578704025 + 111471847876 = 628155^2 + 333874^2 .

It is a cyclic number.

It is not a de Polignac number, because 506050551901 - 2¹¹ = 506050549853 is a prime.

It is a super-2 number, since 2×506050551901² (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 (506050551991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253025275950 + 253025275951.

It is an arithmetic number, because the mean of its divisors is an integer number (253025275951).

Almost surely, 2^506050551901 is an apocalyptic number.

It is an amenable number.

506050551901 is a deficient number, since it is larger than the sum of its proper divisors (1).

506050551901 is an equidigital number, since it uses as much as digits as its factorization.

506050551901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 37.

The spelling of 506050551901 in words is "five hundred six billion, fifty million, five hundred fifty-one thousand, nine hundred one".