53381293 has 4 divisors (see below), whose sum is σ = 61007200. Its totient is φ = 45755388.

The previous prime is 53381281. The next prime is 53381297. The reversal of 53381293 is 39218335.

53381293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53381293 - 2⁵ = 53381261 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 (53381297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812943 + ... + 3812956.

It is an arithmetic number, because the mean of its divisors is an integer number (15251800).

Almost surely, 2^53381293 is an apocalyptic number.

It is an amenable number.

53381293 is a deficient number, since it is larger than the sum of its proper divisors (7625907).

53381293 is an equidigital number, since it uses as much as digits as its factorization.

53381293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625906.

The product of its digits is 19440, while the sum is 34.

The square root of 53381293 is about 7306.2502694611. The cubic root of 53381293 is about 376.5272071846.

The spelling of 53381293 in words is "fifty-three million, three hundred eighty-one thousand, two hundred ninety-three".