53451473 has 2 divisors, whose sum is σ = 53451474. Its totient is φ = 53451472.

The previous prime is 53451469. The next prime is 53451481. The reversal of 53451473 is 37415435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48330304 + 5121169 = 6952^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 53451473 - 2² = 53451469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53451443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26725736 + 26725737.

It is an arithmetic number, because the mean of its divisors is an integer number (26725737).

Almost surely, 2^53451473 is an apocalyptic number.

It is an amenable number.

53451473 is a deficient number, since it is larger than the sum of its proper divisors (1).

53451473 is an equidigital number, since it uses as much as digits as its factorization.

53451473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 53451473 is about 7311.0514291721. The cubic root of 53451473 is about 376.6921407924.

The spelling of 53451473 in words is "fifty-three million, four hundred fifty-one thousand, four hundred seventy-three".