52017729 has 16 divisors (see below), whose sum is σ = 70357248. Its totient is φ = 34182032.

The previous prime is 52017703. The next prime is 52017733. The reversal of 52017729 is 92771025.

It is a cyclic number.

It is not a de Polignac number, because 52017729 - 2⁷ = 52017601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52017729.

It is not an unprimeable number, because it can be changed into a prime (52017769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111154 + ... + 111620.

It is an arithmetic number, because the mean of its divisors is an integer number (4397328).

Almost surely, 2^52017729 is an apocalyptic number.

It is an amenable number.

52017729 is a deficient number, since it is larger than the sum of its proper divisors (18339519).

52017729 is a wasteful number, since it uses less digits than its factorization.

52017729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 52017729 is about 7212.3317311394. The cubic root of 52017729 is about 373.2935298941.

The spelling of 52017729 in words is "fifty-two million, seventeen thousand, seven hundred twenty-nine".