50555550550 has 48 divisors (see below), whose sum is σ = 99145060560. Its totient is φ = 19126419840.

The previous prime is 50555550533. The next prime is 50555550557. The reversal of 50555550550 is 5505555505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555550557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538944 + ... + 625756.

It is an arithmetic number, because the mean of its divisors is an integer number (2065522095).

Almost surely, 2^50555550550 is an apocalyptic number.

50555550550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50555550550 is a deficient number, since it is larger than the sum of its proper divisors (48589510010).

50555550550 is a wasteful number, since it uses less digits than its factorization.

50555550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87457 (or 87452 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 50555550550 in words is "fifty billion, five hundred fifty-five million, five hundred fifty thousand, five hundred fifty".