50055555500064 has 288 divisors, whose sum is σ = 153354008808000. Its totient is φ = 15436183633920.

The previous prime is 50055555500039. The next prime is 50055555500099. The reversal of 50055555500064 is 46000555555005.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×50055555500064² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50055555499992 and 50055555500019.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1282108384 + ... + 1282147424.

It is an arithmetic number, because the mean of its divisors is an integer number (532479197250).

Almost surely, 2^{50055555500064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50055555500064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76677004404000).

50055555500064 is an abundant number, since it is smaller than the sum of its proper divisors (103298453307936).

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

50055555500064 is a wasteful number, since it uses less digits than its factorization.

50055555500064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44568 (or 44557 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

The spelling of 50055555500064 in words is "fifty trillion, fifty-five billion, five hundred fifty-five million, five hundred thousand, sixty-four".