53942193 has 10 divisors (see below), whose sum is σ = 80580434. Its totient is φ = 35961408.

The previous prime is 53942177. The next prime is 53942209. The reversal of 53942193 is 39124935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53942177) and next prime (53942209).

It can be written as a sum of positive squares in only one way, i.e., 36578304 + 17363889 = 6048^2 + 4167^2 .

It is not a de Polignac number, because 53942193 - 2⁴ = 53942177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53942113) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 332896 + ... + 333057.

Almost surely, 2^53942193 is an apocalyptic number.

It is an amenable number.

53942193 is a deficient number, since it is larger than the sum of its proper divisors (26638241).

53942193 is an equidigital number, since it uses as much as digits as its factorization.

53942193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665965 (or 665956 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 53942193 is about 7344.5349069904. The cubic root of 53942193 is about 377.8413922637.

The spelling of 53942193 in words is "fifty-three million, nine hundred forty-two thousand, one hundred ninety-three".