50986154507 has 2 divisors, whose sum is σ = 50986154508. Its totient is φ = 50986154506.

The previous prime is 50986154477. The next prime is 50986154533. The reversal of 50986154507 is 70545168905.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50986154507 is a prime.

It is not a weakly prime, because it can be changed into another prime (50986154587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25493077253 + 25493077254.

It is an arithmetic number, because the mean of its divisors is an integer number (25493077254).

Almost surely, 2^50986154507 is an apocalyptic number.

50986154507 is a deficient number, since it is larger than the sum of its proper divisors (1).

50986154507 is an equidigital number, since it uses as much as digits as its factorization.

50986154507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 50986154507 in words is "fifty billion, nine hundred eighty-six million, one hundred fifty-four thousand, five hundred seven".