53323541 has 2 divisors, whose sum is σ = 53323542. Its totient is φ = 53323540.

The previous prime is 53323471. The next prime is 53323559. The reversal of 53323541 is 14532335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52504516 + 819025 = 7246^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 53323541 - 2¹⁸ = 53061397 is a prime.

It is a Sophie Germain prime.

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 53323541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53322541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26661770 + 26661771.

It is an arithmetic number, because the mean of its divisors is an integer number (26661771).

Almost surely, 2^53323541 is an apocalyptic number.

It is an amenable number.

53323541 is a deficient number, since it is larger than the sum of its proper divisors (1).

53323541 is an equidigital number, since it uses as much as digits as its factorization.

53323541 is an evil number, because the sum of its binary digits is even.

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

The square root of 53323541 is about 7302.2969673932. The cubic root of 53323541 is about 376.3913727962.

Adding to 53323541 its reverse (14532335), we get a palindrome (67855876).

The spelling of 53323541 in words is "fifty-three million, three hundred twenty-three thousand, five hundred forty-one".