50643550 has 24 divisors (see below), whose sum is σ = 99156600. Its totient is φ = 19190880.

The previous prime is 50643511. The next prime is 50643559. The reversal of 50643550 is 5534605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50643559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25705 + ... + 27604.

It is an arithmetic number, because the mean of its divisors is an integer number (4131525).

Almost surely, 2^50643550 is an apocalyptic number.

50643550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50643550 is a deficient number, since it is larger than the sum of its proper divisors (48513050).

50643550 is a wasteful number, since it uses less digits than its factorization.

50643550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53340 (or 53335 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 50643550 is about 7116.4281771124. The cubic root of 50643550 is about 369.9769890730.

The spelling of 50643550 in words is "fifty million, six hundred forty-three thousand, five hundred fifty".