56523647 has 2 divisors, whose sum is σ = 56523648. Its totient is φ = 56523646.

The previous prime is 56523641. The next prime is 56523653. The reversal of 56523647 is 74632565.

It is a balanced prime because it is at equal distance from previous prime (56523641) and next prime (56523653).

It is a cyclic number.

It is not a de Polignac number, because 56523647 - 2⁶ = 56523583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56523647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56523641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28261823 + 28261824.

It is an arithmetic number, because the mean of its divisors is an integer number (28261824).

Almost surely, 2^56523647 is an apocalyptic number.

56523647 is a deficient number, since it is larger than the sum of its proper divisors (1).

56523647 is an equidigital number, since it uses as much as digits as its factorization.

56523647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 38.

The square root of 56523647 is about 7518.2209996780. The cubic root of 56523647 is about 383.7750395867.

The spelling of 56523647 in words is "fifty-six million, five hundred twenty-three thousand, six hundred forty-seven".