50355509880 has 256 divisors, whose sum is σ = 166548856320. Its totient is φ = 12103243776.

The previous prime is 50355509879. The next prime is 50355509881. The reversal of 50355509880 is 8890555305.

It is an interprime number because it is at equal distance from previous prime (50355509879) and next prime (50355509881).

It is a super-2 number, since 2×50355509880² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50355509881) 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 63 ways as a sum of consecutive naturals, for example, 18767019 + ... + 18769701.

It is an arithmetic number, because the mean of its divisors is an integer number (650581470).

Almost surely, 2^50355509880 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 50355509880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83274428160).

50355509880 is an abundant number, since it is smaller than the sum of its proper divisors (116193346440).

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

50355509880 is a wasteful number, since it uses less digits than its factorization.

50355509880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2986 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 50355509880 in words is "fifty billion, three hundred fifty-five million, five hundred nine thousand, eight hundred eighty".