53564311 has 4 divisors (see below), whose sum is σ = 55292224. Its totient is φ = 51836400.

The previous prime is 53564293. The next prime is 53564323. The reversal of 53564311 is 11346535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11346535 = 5 ⋅2269307.

It is a cyclic number.

It is not a de Polignac number, because 53564311 - 2¹¹ = 53562263 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 53564311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53564351) 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, 863910 + ... + 863971.

It is an arithmetic number, because the mean of its divisors is an integer number (13823056).

Almost surely, 2^53564311 is an apocalyptic number.

53564311 is a deficient number, since it is larger than the sum of its proper divisors (1727913).

53564311 is a wasteful number, since it uses less digits than its factorization.

53564311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727912.

The product of its digits is 5400, while the sum is 28.

The square root of 53564311 is about 7318.7643082695. The cubic root of 53564311 is about 376.9570247481.

It can be divided in two parts, 535 and 64311, that added together give a palindrome (64846).

The spelling of 53564311 in words is "fifty-three million, five hundred sixty-four thousand, three hundred eleven".