53069647 has 4 divisors (see below), whose sum is σ = 53104240. Its totient is φ = 53035056.

The previous prime is 53069609. The next prime is 53069657. The reversal of 53069647 is 74696035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74696035 = 5 ⋅14939207.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53069647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53069657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14883 + ... + 18100.

It is an arithmetic number, because the mean of its divisors is an integer number (13276060).

Almost surely, 2^53069647 is an apocalyptic number.

53069647 is a deficient number, since it is larger than the sum of its proper divisors (34593).

53069647 is a wasteful number, since it uses less digits than its factorization.

53069647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34592.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 53069647 is about 7284.8916944592. The cubic root of 53069647 is about 375.7930405305.

The spelling of 53069647 in words is "fifty-three million, sixty-nine thousand, six hundred forty-seven".