53460521 has 2 divisors, whose sum is σ = 53460522. Its totient is φ = 53460520.

The previous prime is 53460503. The next prime is 53460527. The reversal of 53460521 is 12506435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43626025 + 9834496 = 6605^2 + 3136^2 .

It is a cyclic number.

It is not a de Polignac number, because 53460521 - 2¹⁴ = 53444137 is a prime.

It is not a weakly prime, because it can be changed into another prime (53460527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26730260 + 26730261.

It is an arithmetic number, because the mean of its divisors is an integer number (26730261).

Almost surely, 2^53460521 is an apocalyptic number.

It is an amenable number.

53460521 is a deficient number, since it is larger than the sum of its proper divisors (1).

53460521 is an equidigital number, since it uses as much as digits as its factorization.

53460521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 53460521 is about 7311.6701922338. The cubic root of 53460521 is about 376.7133944518.

Adding to 53460521 its reverse (12506435), we get a palindrome (65966956).

The spelling of 53460521 in words is "fifty-three million, four hundred sixty thousand, five hundred twenty-one".