53254681 has 2 divisors, whose sum is σ = 53254682. Its totient is φ = 53254680.

The previous prime is 53254673. The next prime is 53254687. The reversal of 53254681 is 18645235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53056656 + 198025 = 7284^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 53254681 - 2³ = 53254673 is a prime.

It is a super-2 number, since 2×53254681² = 5672122096823522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53254687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627340 + 26627341.

It is an arithmetic number, because the mean of its divisors is an integer number (26627341).

Almost surely, 2^53254681 is an apocalyptic number.

It is an amenable number.

53254681 is a deficient number, since it is larger than the sum of its proper divisors (1).

53254681 is an equidigital number, since it uses as much as digits as its factorization.

53254681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 34.

The square root of 53254681 is about 7297.5804894499. The cubic root of 53254681 is about 376.2292838195.

It can be divided in two parts, 53254 and 681, that added together give a palindrome (53935).

The spelling of 53254681 in words is "fifty-three million, two hundred fifty-four thousand, six hundred eighty-one".