53965547 has 2 divisors, whose sum is σ = 53965548. Its totient is φ = 53965546.

The previous prime is 53965537. The next prime is 53965591. The reversal of 53965547 is 74556935.

It is an a-pointer prime, because the next prime (53965591) can be obtained adding 53965547 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53965547 - 2¹⁰ = 53964523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53965498 and 53965507.

It is not a weakly prime, because it can be changed into another prime (53965507) 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, 26982773 + 26982774.

It is an arithmetic number, because the mean of its divisors is an integer number (26982774).

Almost surely, 2^53965547 is an apocalyptic number.

53965547 is a deficient number, since it is larger than the sum of its proper divisors (1).

53965547 is an equidigital number, since it uses as much as digits as its factorization.

53965547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567000, while the sum is 44.

The square root of 53965547 is about 7346.1246245895. The cubic root of 53965547 is about 377.8959125705.

The spelling of 53965547 in words is "fifty-three million, nine hundred sixty-five thousand, five hundred forty-seven".