50433974951561 has 2 divisors, whose sum is σ = 50433974951562. Its totient is φ = 50433974951560.

The previous prime is 50433974951551. The next prime is 50433974951579. The reversal of 50433974951561 is 16515947933405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37716056995600 + 12717917955961 = 6141340^2 + 3566219^2 .

It is a cyclic number.

It is not a de Polignac number, because 50433974951561 - 2¹⁴ = 50433974935177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50433974951494 and 50433974951503.

It is not a weakly prime, because it can be changed into another prime (50433974951551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25216987475780 + 25216987475781.

It is an arithmetic number, because the mean of its divisors is an integer number (25216987475781).

Almost surely, 2^{50433974951561} is an apocalyptic number.

It is an amenable number.

50433974951561 is a deficient number, since it is larger than the sum of its proper divisors (1).

50433974951561 is an equidigital number, since it uses as much as digits as its factorization.

50433974951561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236000, while the sum is 62.

The spelling of 50433974951561 in words is "fifty trillion, four hundred thirty-three billion, nine hundred seventy-four million, nine hundred fifty-one thousand, five hundred sixty-one".