56486387 has 2 divisors, whose sum is σ = 56486388. Its totient is φ = 56486386.

The previous prime is 56486377. The next prime is 56486389. The reversal of 56486387 is 78368465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56486387 - 2¹² = 56482291 is a prime.

Together with 56486389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56486389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28243193 + 28243194.

It is an arithmetic number, because the mean of its divisors is an integer number (28243194).

Almost surely, 2^56486387 is an apocalyptic number.

56486387 is a deficient number, since it is larger than the sum of its proper divisors (1).

56486387 is an equidigital number, since it uses as much as digits as its factorization.

56486387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 56486387 is about 7515.7426113459. The cubic root of 56486387 is about 383.6906937603.

The spelling of 56486387 in words is "fifty-six million, four hundred eighty-six thousand, three hundred eighty-seven".