56400706 has 16 divisors (see below), whose sum is σ = 85514616. Its totient is φ = 27897856.

The previous prime is 56400703. The next prime is 56400709. The reversal of 56400706 is 60700465.

56400706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56400703) and next prime (56400709).

It can be written as a sum of positive squares in 4 ways, for example, as 56385081 + 15625 = 7509^2 + 125^2 .

It is not an unprimeable number, because it can be changed into a prime (56400703) 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, 100980 + ... + 101536.

Almost surely, 2^56400706 is an apocalyptic number.

56400706 is a deficient number, since it is larger than the sum of its proper divisors (29113910).

56400706 is a wasteful number, since it uses less digits than its factorization.

56400706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 56400706 is about 7510.0403460967. The cubic root of 56400706 is about 383.4965960306.

The spelling of 56400706 in words is "fifty-six million, four hundred thousand, seven hundred six".