53324393 has 12 divisors (see below), whose sum is σ = 59596020. Its totient is φ = 47540736.

The previous prime is 53324389. The next prime is 53324423. The reversal of 53324393 is 39342335.

It can be written as a sum of positive squares in 2 ways, for example, as 44983849 + 8340544 = 6707^2 + 2888^2 .

It is not a de Polignac number, because 53324393 - 2² = 53324389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53323393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1793 + ... + 10481.

It is an arithmetic number, because the mean of its divisors is an integer number (4966335).

Almost surely, 2^53324393 is an apocalyptic number.

It is an amenable number.

53324393 is a deficient number, since it is larger than the sum of its proper divisors (6271627).

53324393 is a wasteful number, since it uses less digits than its factorization.

53324393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744 (or 8725 counting only the distinct ones).

The product of its digits is 29160, while the sum is 32.

The square root of 53324393 is about 7302.3553049684. The cubic root of 53324393 is about 376.3933774376.

The spelling of 53324393 in words is "fifty-three million, three hundred twenty-four thousand, three hundred ninety-three".