56688851 has 2 divisors, whose sum is σ = 56688852. Its totient is φ = 56688850.

The previous prime is 56688833. The next prime is 56688869. The reversal of 56688851 is 15888665.

It is a balanced prime because it is at equal distance from previous prime (56688833) and next prime (56688869).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56688851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56688796 and 56688805.

It is not a weakly prime, because it can be changed into another prime (56688811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28344425 + 28344426.

It is an arithmetic number, because the mean of its divisors is an integer number (28344426).

Almost surely, 2^56688851 is an apocalyptic number.

56688851 is a deficient number, since it is larger than the sum of its proper divisors (1).

56688851 is an equidigital number, since it uses as much as digits as its factorization.

56688851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460800, while the sum is 47.

The square root of 56688851 is about 7529.1998910907. The cubic root of 56688851 is about 384.1485676391.

The spelling of 56688851 in words is "fifty-six million, six hundred eighty-eight thousand, eight hundred fifty-one".