50500055555040 has 384 divisors, whose sum is σ = 195801920455680. Its totient is φ = 10654026743808.

The previous prime is 50500055555023. The next prime is 50500055555041. The reversal of 50500055555040 is 4055555000505.

It is a super-2 number, since 2×50500055555040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 50500055555040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500055555041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 575527491 + ... + 575615229.

It is an arithmetic number, because the mean of its divisors is an integer number (509900834520).

Almost surely, 2^{50500055555040} 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 50500055555040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97900960227840).

50500055555040 is an abundant number, since it is smaller than the sum of its proper divisors (145301864900640).

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

50500055555040 is a wasteful number, since it uses less digits than its factorization.

50500055555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100954 (or 100946 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 50500055555040 in words is "fifty trillion, five hundred billion, fifty-five million, five hundred fifty-five thousand, forty".