50440322154564 has 72 divisors (see below), whose sum is σ = 129696891164568. Its totient is φ = 16524440363520.

The previous prime is 50440322154553. The next prime is 50440322154613. The reversal of 50440322154564 is 46545122304405.

It is a happy number.

50440322154564 is a `hidden beast` number, since 5 + 0 + 4 + 4 + 0 + 32 + 2 + 1 + 54 + 564 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 186401154564 + 50253921000000 = 431742^2 + 7089000^2 .

It is a super-3 number, since 3×50440322154564³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6567777 + ... + 12000680.

It is an arithmetic number, because the mean of its divisors is an integer number (1801345710619).

Almost surely, 2^{50440322154564} is an apocalyptic number.

It is an amenable number.

50440322154564 is an abundant number, since it is smaller than the sum of its proper divisors (79256569010004).

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

50440322154564 is a wasteful number, since it uses less digits than its factorization.

50440322154564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18569765 (or 18569760 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

Adding to 50440322154564 its reverse (46545122304405), we get a palindrome (96985444458969).

The spelling of 50440322154564 in words is "fifty trillion, four hundred forty billion, three hundred twenty-two million, one hundred fifty-four thousand, five hundred sixty-four".