56543712 has 96 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 18129408.

The previous prime is 56543699. The next prime is 56543713. The reversal of 56543712 is 21734565.

It is a tau number, because it is divible by the number of its divisors (96).

Its product of digits (25200) is a multiple of the sum of its prime divisors (280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56543713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379414 + ... + 379562.

It is an arithmetic number, because the mean of its divisors is an integer number (1606500).

Almost surely, 2^56543712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56543712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77112000).

56543712 is an abundant number, since it is smaller than the sum of its proper divisors (97680288).

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

56543712 is a wasteful number, since it uses less digits than its factorization.

56543712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 280 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 56543712 is about 7519.5553060005. Note that the first 3 decimals coincide. The cubic root of 56543712 is about 383.8204455692.

The spelling of 56543712 in words is "fifty-six million, five hundred forty-three thousand, seven hundred twelve".