53324513 has 4 divisors (see below), whose sum is σ = 58172208. Its totient is φ = 48476820.

The previous prime is 53324503. The next prime is 53324543. The reversal of 53324513 is 31542335.

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 a cyclic number.

It is not a de Polignac number, because 53324513 - 2⁶ = 53324449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53324503) 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, 2423831 + ... + 2423852.

It is an arithmetic number, because the mean of its divisors is an integer number (14543052).

Almost surely, 2^53324513 is an apocalyptic number.

It is an amenable number.

53324513 is a deficient number, since it is larger than the sum of its proper divisors (4847695).

53324513 is a wasteful number, since it uses less digits than its factorization.

53324513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847694.

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

The square root of 53324513 is about 7302.3635214908. The cubic root of 53324513 is about 376.3936597798.

Adding to 53324513 its reverse (31542335), we get a palindrome (84866848).

The spelling of 53324513 in words is "fifty-three million, three hundred twenty-four thousand, five hundred thirteen".