52565725420 has 48 divisors (see below), whose sum is σ = 121122449280. Its totient is φ = 19042672896.

The previous prime is 52565725417. The next prime is 52565725469. The reversal of 52565725420 is 2452756525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1893540 + ... + 1921099.

It is an arithmetic number, because the mean of its divisors is an integer number (2523384360).

Almost surely, 2^52565725420 is an apocalyptic number.

It is an amenable number.

52565725420 is an abundant number, since it is smaller than the sum of its proper divisors (68556723860).

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

52565725420 is a wasteful number, since it uses less digits than its factorization.

52565725420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814714 (or 3814712 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 52565725420 in words is "fifty-two billion, five hundred sixty-five million, seven hundred twenty-five thousand, four hundred twenty".