56947339 has 2 divisors, whose sum is σ = 56947340. Its totient is φ = 56947338.

The previous prime is 56947307. The next prime is 56947349. The reversal of 56947339 is 93374965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56947339 - 2⁵ = 56947307 is a prime.

It is not a weakly prime, because it can be changed into another prime (56947349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28473669 + 28473670.

It is an arithmetic number, because the mean of its divisors is an integer number (28473670).

Almost surely, 2^56947339 is an apocalyptic number.

56947339 is a deficient number, since it is larger than the sum of its proper divisors (1).

56947339 is an equidigital number, since it uses as much as digits as its factorization.

56947339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 46.

The square root of 56947339 is about 7546.3460694564. The cubic root of 56947339 is about 384.7315585295.

The spelling of 56947339 in words is "fifty-six million, nine hundred forty-seven thousand, three hundred thirty-nine".