53607121 has 2 divisors, whose sum is σ = 53607122. Its totient is φ = 53607120.

The previous prime is 53607083. The next prime is 53607139. The reversal of 53607121 is 12170635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48108096 + 5499025 = 6936^2 + 2345^2 .

It is a cyclic number.

It is not a de Polignac number, because 53607121 - 2¹¹ = 53605073 is a prime.

It is not a weakly prime, because it can be changed into another prime (53607821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26803560 + 26803561.

It is an arithmetic number, because the mean of its divisors is an integer number (26803561).

Almost surely, 2^53607121 is an apocalyptic number.

It is an amenable number.

53607121 is a deficient number, since it is larger than the sum of its proper divisors (1).

53607121 is an equidigital number, since it uses as much as digits as its factorization.

53607121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 53607121 is about 7321.6883981770. The cubic root of 53607121 is about 377.0574226477.

Adding to 53607121 its reverse (12170635), we get a palindrome (65777756).

The spelling of 53607121 in words is "fifty-three million, six hundred seven thousand, one hundred twenty-one".