53444497 has 2 divisors, whose sum is σ = 53444498. Its totient is φ = 53444496.

The previous prime is 53444483. The next prime is 53444507. The reversal of 53444497 is 79444435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33454656 + 19989841 = 5784^2 + 4471^2 .

It is a cyclic number.

It is not a de Polignac number, because 53444497 - 2¹¹ = 53442449 is a prime.

It is not a weakly prime, because it can be changed into another prime (53444407) 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, 26722248 + 26722249.

It is an arithmetic number, because the mean of its divisors is an integer number (26722249).

Almost surely, 2^53444497 is an apocalyptic number.

It is an amenable number.

53444497 is a deficient number, since it is larger than the sum of its proper divisors (1).

53444497 is an equidigital number, since it uses as much as digits as its factorization.

53444497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 53444497 is about 7310.5743276435. The cubic root of 53444497 is about 376.6757526023.

The spelling of 53444497 in words is "fifty-three million, four hundred forty-four thousand, four hundred ninety-seven".