53450461 has 2 divisors, whose sum is σ = 53450462. Its totient is φ = 53450460.

The previous prime is 53450437. The next prime is 53450491. The reversal of 53450461 is 16405435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 22146436 = 5595^2 + 4706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53450461 is a prime.

It is a super-2 number, since 2×53450461² = 5713903562225042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53450491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725230 + 26725231.

It is an arithmetic number, because the mean of its divisors is an integer number (26725231).

Almost surely, 2^53450461 is an apocalyptic number.

It is an amenable number.

53450461 is a deficient number, since it is larger than the sum of its proper divisors (1).

53450461 is an equidigital number, since it uses as much as digits as its factorization.

53450461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53450461 is about 7310.9822185531. The cubic root of 53450461 is about 376.6897634657.

Adding to 53450461 its reverse (16405435), we get a palindrome (69855896).

The spelling of 53450461 in words is "fifty-three million, four hundred fifty thousand, four hundred sixty-one".