50197853 has 4 divisors (see below), whose sum is σ = 50488188. Its totient is φ = 49907520.

The previous prime is 50197841. The next prime is 50197907. The reversal of 50197853 is 35879105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35879105 = 5 ⋅7175821.

It can be written as a sum of positive squares in 2 ways, for example, as 26646244 + 23551609 = 5162^2 + 4853^2 .

It is a cyclic number.

It is not a de Polignac number, because 50197853 - 2¹⁰ = 50196829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50197253) 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 3 ways as a sum of consecutive naturals, for example, 144908 + ... + 145253.

It is an arithmetic number, because the mean of its divisors is an integer number (12622047).

Almost surely, 2^50197853 is an apocalyptic number.

It is an amenable number.

50197853 is a deficient number, since it is larger than the sum of its proper divisors (290335).

50197853 is a wasteful number, since it uses less digits than its factorization.

50197853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290334.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 50197853 is about 7085.0443188452. The cubic root of 50197853 is about 368.8884414392. Note that the first 3 decimals are identical.

The spelling of 50197853 in words is "fifty million, one hundred ninety-seven thousand, eight hundred fifty-three".