50556005220 has 192 divisors, whose sum is σ = 180311685120. Its totient is φ = 10303469568.

The previous prime is 50556005219. The next prime is 50556005261. The reversal of 50556005220 is 2250065505.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50674 + ... + 321993.

It is an arithmetic number, because the mean of its divisors is an integer number (939123360).

Almost surely, 2^50556005220 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 50556005220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90155842560).

50556005220 is an abundant number, since it is smaller than the sum of its proper divisors (129755679900).

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

50556005220 is a wasteful number, since it uses less digits than its factorization.

50556005220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372722 (or 372720 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 50556005220 in words is "fifty billion, five hundred fifty-six million, five thousand, two hundred twenty".