53505713 has 2 divisors, whose sum is σ = 53505714. Its totient is φ = 53505712.

The previous prime is 53505709. The next prime is 53505733. The reversal of 53505713 is 31750535.

53505713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51093904 + 2411809 = 7148^2 + 1553^2 .

It is a cyclic number.

It is not a de Polignac number, because 53505713 - 2² = 53505709 is a prime.

It is a super-2 number, since 2×53505713² = 5725722647276738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53505703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752856 + 26752857.

It is an arithmetic number, because the mean of its divisors is an integer number (26752857).

Almost surely, 2^53505713 is an apocalyptic number.

It is an amenable number.

53505713 is a deficient number, since it is larger than the sum of its proper divisors (1).

53505713 is an equidigital number, since it uses as much as digits as its factorization.

53505713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 53505713 is about 7314.7599413788. The cubic root of 53505713 is about 376.8195141113.

The spelling of 53505713 in words is "fifty-three million, five hundred five thousand, seven hundred thirteen".