56840872 has 32 divisors (see below), whose sum is σ = 116629920. Its totient is φ = 25755840.

The previous prime is 56840869. The next prime is 56840873. The reversal of 56840872 is 27804865.

It is not an unprimeable number, because it can be changed into a prime (56840873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34123 + ... + 35749.

It is an arithmetic number, because the mean of its divisors is an integer number (3644685).

Almost surely, 2^56840872 is an apocalyptic number.

It is an amenable number.

56840872 is an abundant number, since it is smaller than the sum of its proper divisors (59789048).

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

56840872 is a wasteful number, since it uses less digits than its factorization.

56840872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 56840872 is about 7539.2885606004. The cubic root of 56840872 is about 384.4916481800.

The spelling of 56840872 in words is "fifty-six million, eight hundred forty thousand, eight hundred seventy-two".