506055020087 has 2 divisors, whose sum is σ = 506055020088. Its totient is φ = 506055020086.

The previous prime is 506055019999. The next prime is 506055020101. The reversal of 506055020087 is 780020550605.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506055020087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506055020087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506055022087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253027510043 + 253027510044.

It is an arithmetic number, because the mean of its divisors is an integer number (253027510044).

Almost surely, 2^506055020087 is an apocalyptic number.

506055020087 is a deficient number, since it is larger than the sum of its proper divisors (1).

506055020087 is an equidigital number, since it uses as much as digits as its factorization.

506055020087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 506055020087 in words is "five hundred six billion, fifty-five million, twenty thousand, eighty-seven".