56701287 has 6 divisors (see below), whose sum is σ = 81901872. Its totient is φ = 37800852.

The previous prime is 56701243. The next prime is 56701303. The reversal of 56701287 is 78210765.

56701287 is a `hidden beast` number, since 567 + 0 + 12 + 87 = 666.

56701287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56701287 - 2²² = 52506983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56701207) 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 5 ways as a sum of consecutive naturals, for example, 3150063 + ... + 3150080.

It is an arithmetic number, because the mean of its divisors is an integer number (13650312).

Almost surely, 2^56701287 is an apocalyptic number.

56701287 is a deficient number, since it is larger than the sum of its proper divisors (25200585).

56701287 is a wasteful number, since it uses less digits than its factorization.

56701287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300149 (or 6300146 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 56701287 is about 7530.0256971673. The cubic root of 56701287 is about 384.1766561857.

The spelling of 56701287 in words is "fifty-six million, seven hundred one thousand, two hundred eighty-seven".