56281316 has 24 divisors (see below), whose sum is σ = 121222080. Its totient is φ = 22264992.

The previous prime is 56281301. The next prime is 56281319. The reversal of 56281316 is 61318265.

It is a happy number.

56281316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56281319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76946 + ... + 77673.

It is an arithmetic number, because the mean of its divisors is an integer number (5050920).

Almost surely, 2^56281316 is an apocalyptic number.

It is an amenable number.

56281316 is an abundant number, since it is smaller than the sum of its proper divisors (64940764).

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

56281316 is a wasteful number, since it uses less digits than its factorization.

56281316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154643 (or 154641 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 56281316 is about 7502.0874428388. The cubic root of 56281316 is about 383.2258074387.

The spelling of 56281316 in words is "fifty-six million, two hundred eighty-one thousand, three hundred sixteen".