50561065550 has 12 divisors (see below), whose sum is σ = 94043582016. Its totient is φ = 20224426200.

The previous prime is 50561065549. The next prime is 50561065573. The reversal of 50561065550 is 5556016505.

50561065550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 505610606 + ... + 505610705.

It is an arithmetic number, because the mean of its divisors is an integer number (7836965168).

Almost surely, 2^50561065550 is an apocalyptic number.

50561065550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50561065550 is a deficient number, since it is larger than the sum of its proper divisors (43482516466).

50561065550 is a wasteful number, since it uses less digits than its factorization.

50561065550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011221323 (or 1011221318 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 50561065550 in words is "fifty billion, five hundred sixty-one million, sixty-five thousand, five hundred fifty".