50042457522 has 18 divisors (see below), whose sum is σ = 108427381023. Its totient is φ = 16680502812.

The previous prime is 50042457511. The next prime is 50042457527. The reversal of 50042457522 is 22575424005.

50042457522 is a `hidden beast` number, since 50 + 0 + 42 + 45 + 7 + 522 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25021228761 + 25021228761 = 158181^2 + 158181^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=158181.

It is not an unprimeable number, because it can be changed into a prime (50042457527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 922723 + ... + 975449.

Almost surely, 2^50042457522 is an apocalyptic number.

50042457522 is an abundant number, since it is smaller than the sum of its proper divisors (58384923501).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50042457522 is an frugal number, since it uses more digits than its factorization.

50042457522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105462 (or 52732 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The spelling of 50042457522 in words is "fifty billion, forty-two million, four hundred fifty-seven thousand, five hundred twenty-two".