50000550055397 has 2 divisors, whose sum is σ = 50000550055398. Its totient is φ = 50000550055396.

The previous prime is 50000550055361. The next prime is 50000550055403. The reversal of 50000550055397 is 79355005500005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33509811802756 + 16490738252641 = 5788766^2 + 4060879^2 .

It is a cyclic number.

It is not a de Polignac number, because 50000550055397 - 2¹² = 50000550051301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50000550055697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000275027698 + 25000275027699.

It is an arithmetic number, because the mean of its divisors is an integer number (25000275027699).

Almost surely, 2^{50000550055397} is an apocalyptic number.

It is an amenable number.

50000550055397 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000550055397 is an equidigital number, since it uses as much as digits as its factorization.

50000550055397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 590625, while the sum is 44.

The spelling of 50000550055397 in words is "fifty trillion, five hundred fifty million, fifty-five thousand, three hundred ninety-seven".