53513423 has 4 divisors (see below), whose sum is σ = 53641560. Its totient is φ = 53385288.

The previous prime is 53513419. The next prime is 53513429. The reversal of 53513423 is 32431535.

53513423 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 an emirpimes, since its reverse is a distinct semiprime: 32431535 = 5 ⋅6486307.

It is a cyclic number.

It is not a de Polignac number, because 53513423 - 2² = 53513419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53513392 and 53513401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53513429) 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, 63440 + ... + 64277.

It is an arithmetic number, because the mean of its divisors is an integer number (13410390).

Almost surely, 2^53513423 is an apocalyptic number.

53513423 is a deficient number, since it is larger than the sum of its proper divisors (128137).

53513423 is a wasteful number, since it uses less digits than its factorization.

53513423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128136.

The product of its digits is 5400, while the sum is 26.

The square root of 53513423 is about 7315.2869390066. The cubic root of 53513423 is about 376.8376127327.

Adding to 53513423 its reverse (32431535), we get a palindrome (85944958).

The spelling of 53513423 in words is "fifty-three million, five hundred thirteen thousand, four hundred twenty-three".