50555578543 has 2 divisors, whose sum is σ = 50555578544. Its totient is φ = 50555578542.

The previous prime is 50555578517. The next prime is 50555578561. The reversal of 50555578543 is 34587555505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50555578543 - 2⁵ = 50555578511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50555578343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25277789271 + 25277789272.

It is an arithmetic number, because the mean of its divisors is an integer number (25277789272).

Almost surely, 2^50555578543 is an apocalyptic number.

50555578543 is a deficient number, since it is larger than the sum of its proper divisors (1).

50555578543 is an equidigital number, since it uses as much as digits as its factorization.

50555578543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10500000, while the sum is 52.

The spelling of 50555578543 in words is "fifty billion, five hundred fifty-five million, five hundred seventy-eight thousand, five hundred forty-three".