56310940 has 24 divisors (see below), whose sum is σ = 135146592. Its totient is φ = 19306560.

The previous prime is 56310937. The next prime is 56310941. The reversal of 56310940 is 4901365.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 56310899 and 56310908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56310941) 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, 200971 + ... + 201250.

It is an arithmetic number, because the mean of its divisors is an integer number (5631108).

Almost surely, 2^56310940 is an apocalyptic number.

It is an amenable number.

56310940 is an abundant number, since it is smaller than the sum of its proper divisors (78835652).

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

56310940 is a wasteful number, since it uses less digits than its factorization.

56310940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402237 (or 402235 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 56310940 is about 7504.0615669116. The cubic root of 56310940 is about 383.2930333605.

The spelling of 56310940 in words is "fifty-six million, three hundred ten thousand, nine hundred forty".