50555000000550 has 48 divisors (see below), whose sum is σ = 125525835832320. Its totient is φ = 13465264964640.

The previous prime is 50555000000543. The next prime is 50555000000597. The reversal of 50555000000550 is 5500000055505.

It is a super-2 number, since 2×50555000000550² (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200728342 + ... + 200980041.

It is an arithmetic number, because the mean of its divisors is an integer number (2615121579840).

Almost surely, 2^{50555000000550} is an apocalyptic number.

50555000000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50555000000550 is an abundant number, since it is smaller than the sum of its proper divisors (74970835831770).

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

50555000000550 is a wasteful number, since it uses less digits than its factorization.

50555000000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401709237 (or 401709232 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 50555000000550 in words is "fifty trillion, five hundred fifty-five billion, five hundred fifty", and thus it is an aban number.