53140413 has 4 divisors (see below), whose sum is σ = 70853888. Its totient is φ = 35426940.

The previous prime is 53140411. The next prime is 53140429. The reversal of 53140413 is 31404135.

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 53140413 - 2¹ = 53140411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53140413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53140411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8856733 + ... + 8856738.

It is an arithmetic number, because the mean of its divisors is an integer number (17713472).

Almost surely, 2^53140413 is an apocalyptic number.

It is an amenable number.

53140413 is a deficient number, since it is larger than the sum of its proper divisors (17713475).

53140413 is a wasteful number, since it uses less digits than its factorization.

53140413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713474.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53140413 is about 7289.7471149554. The cubic root of 53140413 is about 375.9600007435.

Adding to 53140413 its reverse (31404135), we get a palindrome (84544548).

The spelling of 53140413 in words is "fifty-three million, one hundred forty thousand, four hundred thirteen".