53913 has 4 divisors (see below), whose sum is σ = 71888. Its totient is φ = 35940.

The previous prime is 53899. The next prime is 53917. The reversal of 53913 is 31935.

53913 is nontrivially palindromic in base 5.

53913 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 53913 - 2⁴ = 53897 is a prime.

It is a super-2 number, since 2×53913² = 5813223138, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53913.

It is not an unprimeable number, because it can be changed into a prime (53917) 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, 8983 + ... + 8988.

It is an arithmetic number, because the mean of its divisors is an integer number (17972).

2⁵³⁹¹³ is an apocalyptic number.

It is an amenable number.

53913 is a deficient number, since it is larger than the sum of its proper divisors (17975).

53913 is a wasteful number, since it uses less digits than its factorization.

53913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17974.

The product of its digits is 405, while the sum is 21.

The square root of 53913 is about 232.1917311189. The cubic root of 53913 is about 37.7773218579. Note that the first 3 decimals are identical.

It can be divided in two parts, 539 and 13, that multiplied together give a palindrome (7007).

The spelling of 53913 in words is "fifty-three thousand, nine hundred thirteen".