56642208 has 96 divisors (see below), whose sum is σ = 175472640. Its totient is φ = 15655680.

The previous prime is 56642207. The next prime is 56642231. The reversal of 56642208 is 80224665.

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

It is not an unprimeable number, because it can be changed into a prime (56642203) 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, 19473 + ... + 22191.

It is an arithmetic number, because the mean of its divisors is an integer number (1827840).

Almost surely, 2^56642208 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 56642208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87736320).

56642208 is an abundant number, since it is smaller than the sum of its proper divisors (118830432).

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

56642208 is a wasteful number, since it uses less digits than its factorization.

56642208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 56642208 is about 7526.1017798061. The cubic root of 56642208 is about 384.0431809080.

The spelling of 56642208 in words is "fifty-six million, six hundred forty-two thousand, two hundred eight".