53983197 has 6 divisors (see below), whose sum is σ = 77975742. Its totient is φ = 35988792.

The previous prime is 53983159. The next prime is 53983207. The reversal of 53983197 is 79138935.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53494596 + 488601 = 7314^2 + 699^2 .

It is not a de Polignac number, because 53983197 - 2⁶ = 53983133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53983697) 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 5 ways as a sum of consecutive naturals, for example, 2999058 + ... + 2999075.

It is an arithmetic number, because the mean of its divisors is an integer number (12995957).

Almost surely, 2^53983197 is an apocalyptic number.

It is an amenable number.

53983197 is a deficient number, since it is larger than the sum of its proper divisors (23992545).

53983197 is a wasteful number, since it uses less digits than its factorization.

53983197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998139 (or 5998136 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 53983197 is about 7347.3258400591. The cubic root of 53983197 is about 377.9371063580.

The spelling of 53983197 in words is "fifty-three million, nine hundred eighty-three thousand, one hundred ninety-seven".