50000005505550 has 96 divisors (see below), whose sum is σ = 132888381599232. Its totient is φ = 12408932004480.

The previous prime is 50000005505519. The next prime is 50000005505557. The reversal of 50000005505550 is 5550550000005.

It is a super-2 number, since 2×50000005505550² (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 not an unprimeable number, because it can be changed into a prime (50000005505557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195720394 + ... + 195975693.

It is an arithmetic number, because the mean of its divisors is an integer number (1384253974992).

Almost surely, 2^{50000005505550} is an apocalyptic number.

50000005505550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50000005505550 is an abundant number, since it is smaller than the sum of its proper divisors (82888376093682).

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

50000005505550 is a wasteful number, since it uses less digits than its factorization.

50000005505550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391696162 (or 391696157 counting only the distinct ones).

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

Adding to 50000005505550 its reverse (5550550000005), we get a palindrome (55550555505555).

The spelling of 50000005505550 in words is "fifty trillion, five million, five hundred five thousand, five hundred fifty".