53466521 has 2 divisors, whose sum is σ = 53466522. Its totient is φ = 53466520.

The previous prime is 53466503. The next prime is 53466527. The reversal of 53466521 is 12566435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50922496 + 2544025 = 7136^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 53466521 - 2¹⁰ = 53465497 is a prime.

It is not a weakly prime, because it can be changed into another prime (53466527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26733260 + 26733261.

It is an arithmetic number, because the mean of its divisors is an integer number (26733261).

Almost surely, 2^53466521 is an apocalyptic number.

It is an amenable number.

53466521 is a deficient number, since it is larger than the sum of its proper divisors (1).

53466521 is an equidigital number, since it uses as much as digits as its factorization.

53466521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 53466521 is about 7312.0804836927. The cubic root of 53466521 is about 376.7274870680.

The spelling of 53466521 in words is "fifty-three million, four hundred sixty-six thousand, five hundred twenty-one".