50001000550 has 12 divisors (see below), whose sum is σ = 93001861116. Its totient is φ = 20000400200.

The previous prime is 50001000509. The next prime is 50001000617. The reversal of 50001000550 is 5500010005.

It is a super-2 number, since 2×50001000550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500009956 + ... + 500010055.

It is an arithmetic number, because the mean of its divisors is an integer number (7750155093).

Almost surely, 2^50001000550 is an apocalyptic number.

50001000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50001000550 is a deficient number, since it is larger than the sum of its proper divisors (43000860566).

50001000550 is a wasteful number, since it uses less digits than its factorization.

50001000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000020023 (or 1000020018 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

Adding to 50001000550 its reverse (5500010005), we get a palindrome (55501010555).

The spelling of 50001000550 in words is "fifty billion, one million, five hundred fifty", and thus it is an aban number.