56087747 has 2 divisors, whose sum is σ = 56087748. Its totient is φ = 56087746.

The previous prime is 56087729. The next prime is 56087767. The reversal of 56087747 is 74778065.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56087747 - 2⁶ = 56087683 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 56087698 and 56087707.

It is not a weakly prime, because it can be changed into another prime (56087767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28043873 + 28043874.

It is an arithmetic number, because the mean of its divisors is an integer number (28043874).

Almost surely, 2^56087747 is an apocalyptic number.

56087747 is a deficient number, since it is larger than the sum of its proper divisors (1).

56087747 is an equidigital number, since it uses as much as digits as its factorization.

56087747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 56087747 is about 7489.1753217561. The cubic root of 56087747 is about 382.7859584331.

The spelling of 56087747 in words is "fifty-six million, eighty-seven thousand, seven hundred forty-seven".