53047261 has 2 divisors, whose sum is σ = 53047262. Its totient is φ = 53047260.

The previous prime is 53047249. The next prime is 53047277. The reversal of 53047261 is 16274035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 15163236 = 6155^2 + 3894^2 .

It is a cyclic number.

It is not a de Polignac number, because 53047261 - 2⁷ = 53047133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53047201) 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, 26523630 + 26523631.

It is an arithmetic number, because the mean of its divisors is an integer number (26523631).

Almost surely, 2^53047261 is an apocalyptic number.

It is an amenable number.

53047261 is a deficient number, since it is larger than the sum of its proper divisors (1).

53047261 is an equidigital number, since it uses as much as digits as its factorization.

53047261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 53047261 is about 7283.3550648036. The cubic root of 53047261 is about 375.7401937111.

The spelling of 53047261 in words is "fifty-three million, forty-seven thousand, two hundred sixty-one".