50431442242051 has 32 divisors (see below), whose sum is σ = 57737155650048. Its totient is φ = 43637612820480.

The previous prime is 50431442242001. The next prime is 50431442242057. The reversal of 50431442242051 is 15024224413405.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50431442242051 is a prime.

It is a super-2 number, since 2×50431442242051² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50431442242051.

It is not an unprimeable number, because it can be changed into a prime (50431442242057) 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, 56029401 + ... + 56922373.

It is an arithmetic number, because the mean of its divisors is an integer number (1804286114064).

Almost surely, 2^{50431442242051} is an apocalyptic number.

50431442242051 is a deficient number, since it is larger than the sum of its proper divisors (7305713407997).

50431442242051 is a wasteful number, since it uses less digits than its factorization.

50431442242051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894031.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 50431442242051 its reverse (15024224413405), we get a palindrome (65455666655456).

The spelling of 50431442242051 in words is "fifty trillion, four hundred thirty-one billion, four hundred forty-two million, two hundred forty-two thousand, fifty-one".