56856306 has 16 divisors (see below), whose sum is σ = 122459904. Its totient is φ = 17494224.

The previous prime is 56856287. The next prime is 56856311. The reversal of 56856306 is 60365865.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364386 + ... + 364541.

It is an arithmetic number, because the mean of its divisors is an integer number (7653744).

Almost surely, 2^56856306 is an apocalyptic number.

56856306 is an abundant number, since it is smaller than the sum of its proper divisors (65603598).

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

56856306 is a wasteful number, since it uses less digits than its factorization.

56856306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728945.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 56856306 is about 7540.3120625078. The cubic root of 56856306 is about 384.5264453653.

The spelling of 56856306 in words is "fifty-six million, eight hundred fifty-six thousand, three hundred six".