56729946 has 48 divisors (see below), whose sum is σ = 142146144. Its totient is φ = 14960736.

The previous prime is 56729929. The next prime is 56729947. The reversal of 56729946 is 64992765.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56729895 and 56729904.

It is not an unprimeable number, because it can be changed into a prime (56729947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3600 + ... + 11243.

It is an arithmetic number, because the mean of its divisors is an integer number (2961378).

Almost surely, 2^56729946 is an apocalyptic number.

56729946 is an abundant number, since it is smaller than the sum of its proper divisors (85416198).

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

56729946 is a wasteful number, since it uses less digits than its factorization.

56729946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14875 (or 14868 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 56729946 is about 7531.9284383218. The cubic root of 56729946 is about 384.2413711444.

It can be divided in two parts, 56729 and 946, that added together give a palindrome (57675).

The spelling of 56729946 in words is "fifty-six million, seven hundred twenty-nine thousand, nine hundred forty-six".