50550550055980 has 48 divisors (see below), whose sum is σ = 114451483726944. Its totient is φ = 18643680437760.

The previous prime is 50550550055927. The next prime is 50550550055987. The reversal of 50550550055980 is 8955005505505.

It is a happy number.

It is a super-2 number, since 2×50550550055980² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (50550550055987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109863961 + ... + 110323120.

It is an arithmetic number, because the mean of its divisors is an integer number (2384405910978).

Almost surely, 2^{50550550055980} is an apocalyptic number.

It is an amenable number.

50550550055980 is an abundant number, since it is smaller than the sum of its proper divisors (63900933670964).

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

50550550055980 is a wasteful number, since it uses less digits than its factorization.

50550550055980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220187986 (or 220187984 counting only the distinct ones).

The product of its (nonzero) digits is 5625000, while the sum is 52.

The spelling of 50550550055980 in words is "fifty trillion, five hundred fifty billion, five hundred fifty million, fifty-five thousand, nine hundred eighty".