50005605550 has 48 divisors (see below), whose sum is σ = 96493824000. Its totient is φ = 19259618400.

The previous prime is 50005605493. The next prime is 50005605557. The reversal of 50005605550 is 5550650005.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50005605557) 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 23 ways as a sum of consecutive naturals, for example, 227391 + ... + 389509.

It is an arithmetic number, because the mean of its divisors is an integer number (2010288000).

Almost surely, 2^50005605550 is an apocalyptic number.

50005605550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50005605550 is a deficient number, since it is larger than the sum of its proper divisors (46488218450).

50005605550 is a wasteful number, since it uses less digits than its factorization.

50005605550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162361 (or 162356 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 50005605550 in words is "fifty billion, five million, six hundred five thousand, five hundred fifty".