52406636 has 12 divisors (see below), whose sum is σ = 96538680. Its totient is φ = 24824160.

The previous prime is 52406633. The next prime is 52406687. The reversal of 52406636 is 63660425.

It is not an unprimeable number, because it can be changed into a prime (52406633) 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, 344705 + ... + 344856.

It is an arithmetic number, because the mean of its divisors is an integer number (8044890).

Almost surely, 2^52406636 is an apocalyptic number.

It is an amenable number.

52406636 is a deficient number, since it is larger than the sum of its proper divisors (44132044).

52406636 is a wasteful number, since it uses less digits than its factorization.

52406636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689584 (or 689582 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 52406636 is about 7239.2427780811. The cubic root of 52406636 is about 374.2215222298.

The spelling of 52406636 in words is "fifty-two million, four hundred six thousand, six hundred thirty-six".