50011055556 has 96 divisors (see below), whose sum is σ = 145743037440. Its totient is φ = 12966998400.

The previous prime is 50011055551. The next prime is 50011055603. The reversal of 50011055556 is 65555011005.

It is a super-2 number, since 2×50011055556² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (50011055551) 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, 480210 + ... + 574998.

It is an arithmetic number, because the mean of its divisors is an integer number (1518156640).

Almost surely, 2^50011055556 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 50011055556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72871518720).

50011055556 is an abundant number, since it is smaller than the sum of its proper divisors (95731981884).

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

50011055556 is a wasteful number, since it uses less digits than its factorization.

50011055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95385 (or 95383 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 50011055556 in words is "fifty billion, eleven million, fifty-five thousand, five hundred fifty-six".