50555020343220 has 480 divisors, whose sum is σ = 169858125360000. Its totient is φ = 12548767214592.

The previous prime is 50555020343209. The next prime is 50555020343263. The reversal of 50555020343220 is 2234302055505.

50555020343220 is a `hidden beast` number, since 5 + 0 + 5 + 550 + 20 + 34 + 32 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4120543246 + ... + 4120555514.

It is an arithmetic number, because the mean of its divisors is an integer number (353871094500).

Almost surely, 2^{50555020343220} 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 50555020343220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84929062680000).

50555020343220 is an abundant number, since it is smaller than the sum of its proper divisors (119303105016780).

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

50555020343220 is a wasteful number, since it uses less digits than its factorization.

50555020343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14637 (or 14626 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 50555020343220 its reverse (2234302055505), we get a palindrome (52789322398725).

The spelling of 50555020343220 in words is "fifty trillion, five hundred fifty-five billion, twenty million, three hundred forty-three thousand, two hundred twenty".