50061015517 has 2 divisors, whose sum is σ = 50061015518. Its totient is φ = 50061015516.

The previous prime is 50061015463. The next prime is 50061015547. The reversal of 50061015517 is 71551016005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45695902756 + 4365112761 = 213766^2 + 66069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50061015517 is a prime.

It is a super-2 number, since 2×50061015517² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50061015547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030507758 + 25030507759.

It is an arithmetic number, because the mean of its divisors is an integer number (25030507759).

Almost surely, 2^50061015517 is an apocalyptic number.

It is an amenable number.

50061015517 is a deficient number, since it is larger than the sum of its proper divisors (1).

50061015517 is an equidigital number, since it uses as much as digits as its factorization.

50061015517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 31.

The spelling of 50061015517 in words is "fifty billion, sixty-one million, fifteen thousand, five hundred seventeen".