50555606556 has 96 divisors (see below), whose sum is σ = 145403173888. Its totient is φ = 13313341440.

The previous prime is 50555606551. The next prime is 50555606567. The reversal of 50555606556 is 65560655505.

50555606556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×50555606556² (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 (50555606551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700521 + ... + 769311.

Almost surely, 2^50555606556 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 50555606556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72701586944).

50555606556 is an abundant number, since it is smaller than the sum of its proper divisors (94847567332).

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

50555606556 is a wasteful number, since it uses less digits than its factorization.

50555606556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69491 (or 69489 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 50555606556 in words is "fifty billion, five hundred fifty-five million, six hundred six thousand, five hundred fifty-six".