53719907193 has 6 divisors (see below), whose sum is σ = 77595421514. Its totient is φ = 35813271456.

The previous prime is 53719907173. The next prime is 53719907209. The reversal of 53719907193 is 39170991735.

It is a happy number.

53719907193 is a `hidden beast` number, since 537 + 1 + 9 + 90 + 7 + 19 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48857355369 + 4862551824 = 221037^2 + 69732^2 .

It is not a de Polignac number, because 53719907193 - 2²⁸ = 53451471737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53719907113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2984439280 + ... + 2984439297.

Almost surely, 2^53719907193 is an apocalyptic number.

It is an amenable number.

53719907193 is a deficient number, since it is larger than the sum of its proper divisors (23875514321).

53719907193 is a wasteful number, since it uses less digits than its factorization.

53719907193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968878583 (or 5968878580 counting only the distinct ones).

The product of its (nonzero) digits is 1607445, while the sum is 54.

The spelling of 53719907193 in words is "fifty-three billion, seven hundred nineteen million, nine hundred seven thousand, one hundred ninety-three".