52856505 has 24 divisors (see below), whose sum is σ = 98666568. Its totient is φ = 26021376.

The previous prime is 52856483. The next prime is 52856509. The reversal of 52856505 is 50565825.

52856505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3111696 + 49744809 = 1764^2 + 7053^2 .

It is not a de Polignac number, because 52856505 - 2⁹ = 52855993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52856505.

It is not an unprimeable number, because it can be changed into a prime (52856509) 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 in 23 ways as a sum of consecutive naturals, for example, 44592 + ... + 45761.

It is an arithmetic number, because the mean of its divisors is an integer number (4111107).

Almost surely, 2^52856505 is an apocalyptic number.

It is an amenable number.

52856505 is a deficient number, since it is larger than the sum of its proper divisors (45810063).

52856505 is a wasteful number, since it uses less digits than its factorization.

52856505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90377 (or 90374 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 52856505 is about 7270.2479324986. The cubic root of 52856505 is about 375.2892701367.

It can be divided in two parts, 52856 and 505, that added together give a square (53361 = 231²).

The spelling of 52856505 in words is "fifty-two million, eight hundred fifty-six thousand, five hundred five".