53739193 has 4 divisors (see below), whose sum is σ = 56900340. Its totient is φ = 50578048.

The previous prime is 53739181. The next prime is 53739199. The reversal of 53739193 is 39193735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44448889 + 9290304 = 6667^2 + 3048^2 .

It is a cyclic number.

It is not a de Polignac number, because 53739193 - 2¹³ = 53731001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53739199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580548 + ... + 1580581.

It is an arithmetic number, because the mean of its divisors is an integer number (14225085).

Almost surely, 2^53739193 is an apocalyptic number.

It is an amenable number.

53739193 is a deficient number, since it is larger than the sum of its proper divisors (3161147).

53739193 is a wasteful number, since it uses less digits than its factorization.

53739193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161146.

The product of its digits is 76545, while the sum is 40.

The square root of 53739193 is about 7330.7020809742. The cubic root of 53739193 is about 377.3668211410.

The spelling of 53739193 in words is "fifty-three million, seven hundred thirty-nine thousand, one hundred ninety-three".