56643852 has 12 divisors (see below), whose sum is σ = 132169016. Its totient is φ = 18881280.

The previous prime is 56643841. The next prime is 56643859. The reversal of 56643852 is 25834665.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 56643852.

It is not an unprimeable number, because it can be changed into a prime (56643859) 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, 2360149 + ... + 2360172.

Almost surely, 2^56643852 is an apocalyptic number.

It is an amenable number.

56643852 is an abundant number, since it is smaller than the sum of its proper divisors (75525164).

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

56643852 is a wasteful number, since it uses less digits than its factorization.

56643852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720328 (or 4720326 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 56643852 is about 7526.2109989024. The cubic root of 56643852 is about 384.0468963992.

The spelling of 56643852 in words is "fifty-six million, six hundred forty-three thousand, eight hundred fifty-two".