50055000550 has 24 divisors (see below), whose sum is σ = 93112625232. Its totient is φ = 20019780000.

The previous prime is 50055000539. The next prime is 50055000577. The reversal of 50055000550 is 5500055005.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 444495 + ... + 545605.

It is an arithmetic number, because the mean of its divisors is an integer number (3879692718).

Almost surely, 2^50055000550 is an apocalyptic number.

50055000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50055000550 is a deficient number, since it is larger than the sum of its proper divisors (43057624682).

50055000550 is a wasteful number, since it uses less digits than its factorization.

50055000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111024 (or 111019 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

Adding to 50055000550 its reverse (5500055005), we get a palindrome (55555055555).

The spelling of 50055000550 in words is "fifty billion, fifty-five million, five hundred fifty", and thus it is an aban number.