500500055501 has 2 divisors, whose sum is σ = 500500055502. Its totient is φ = 500500055500.

The previous prime is 500500055459. The next prime is 500500055519. The reversal of 500500055501 is 105550005005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493610225476 + 6889830025 = 702574^2 + 83005^2 .

It is a cyclic number.

It is not a de Polignac number, because 500500055501 - 2²² = 500495861197 is a prime.

It is a super-2 number, since 2×500500055501² (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 (500500055521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250250027750 + 250250027751.

It is an arithmetic number, because the mean of its divisors is an integer number (250250027751).

Almost surely, 2^500500055501 is an apocalyptic number.

It is an amenable number.

500500055501 is a deficient number, since it is larger than the sum of its proper divisors (1).

500500055501 is an equidigital number, since it uses as much as digits as its factorization.

500500055501 is an evil number, because the sum of its binary digits is even.

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

The spelling of 500500055501 in words is "five hundred billion, five hundred million, fifty-five thousand, five hundred one".