56645116 has 24 divisors (see below), whose sum is σ = 108941616. Its totient is φ = 25557120.

The previous prime is 56645101. The next prime is 56645117. The reversal of 56645116 is 61154665.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56645117) 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, 1330 + ... + 10726.

It is an arithmetic number, because the mean of its divisors is an integer number (4539234).

Almost surely, 2^56645116 is an apocalyptic number.

It is an amenable number.

56645116 is a deficient number, since it is larger than the sum of its proper divisors (52296500).

56645116 is a wasteful number, since it uses less digits than its factorization.

56645116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549 (or 9547 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 56645116 is about 7526.2949716311. The cubic root of 56645116 is about 384.0497530297.

The spelling of 56645116 in words is "fifty-six million, six hundred forty-five thousand, one hundred sixteen".