50505061001 has 2 divisors, whose sum is σ = 50505061002. Its totient is φ = 50505061000.

The previous prime is 50505060971. The next prime is 50505061039. The reversal of 50505061001 is 10016050505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48433445776 + 2071615225 = 220076^2 + 45515^2 .

It is a cyclic number.

It is not a de Polignac number, because 50505061001 - 2²² = 50500866697 is a prime.

It is a super-2 number, since 2×50505061001² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50505061051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252530500 + 25252530501.

It is an arithmetic number, because the mean of its divisors is an integer number (25252530501).

Almost surely, 2^50505061001 is an apocalyptic number.

It is an amenable number.

50505061001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505061001 is an equidigital number, since it uses as much as digits as its factorization.

50505061001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 50505061001 in words is "fifty billion, five hundred five million, sixty-one thousand, one".