50455445520121 has 32 divisors (see below), whose sum is σ = 52844723712000. Its totient is φ = 48128624478720.

The previous prime is 50455445520083. The next prime is 50455445520127. The reversal of 50455445520121 is 12102554455405.

It is not a de Polignac number, because 50455445520121 - 2¹³ = 50455445511929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50455445520127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 680423155 + ... + 680497303.

It is an arithmetic number, because the mean of its divisors is an integer number (1651397616000).

Almost surely, 2^{50455445520121} is an apocalyptic number.

It is an amenable number.

50455445520121 is a deficient number, since it is larger than the sum of its proper divisors (2389278191879).

50455445520121 is a wasteful number, since it uses less digits than its factorization.

50455445520121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75769.

The product of its (nonzero) digits is 800000, while the sum is 43.

Adding to 50455445520121 its reverse (12102554455405), we get a palindrome (62557999975526).

The spelling of 50455445520121 in words is "fifty trillion, four hundred fifty-five billion, four hundred forty-five million, five hundred twenty thousand, one hundred twenty-one".