52565736 has 32 divisors (see below), whose sum is σ = 131905440. Its totient is φ = 17456448.

The previous prime is 52565701. The next prime is 52565743. The reversal of 52565736 is 63756525.

It is a junction number, because it is equal to n+sod(n) for n = 52565694 and 52565703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (4122045).

Almost surely, 2^52565736 is an apocalyptic number.

It is an amenable number.

52565736 is an abundant number, since it is smaller than the sum of its proper divisors (79339704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52565736 is a wasteful number, since it uses less digits than its factorization.

52565736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193 (or 8189 counting only the distinct ones).

The product of its digits is 189000, while the sum is 39.

The square root of 52565736 is about 7250.2231689790. The cubic root of 52565736 is about 374.5998362469.

It can be divided in two parts, 52565 and 736, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 52565736 in words is "fifty-two million, five hundred sixty-five thousand, seven hundred thirty-six".