56280347 has 2 divisors, whose sum is σ = 56280348. Its totient is φ = 56280346.

The previous prime is 56280317. The next prime is 56280373. The reversal of 56280347 is 74308265.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56280347 - 2¹⁰ = 56279323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56280317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28140173 + 28140174.

It is an arithmetic number, because the mean of its divisors is an integer number (28140174).

Almost surely, 2^56280347 is an apocalyptic number.

56280347 is a deficient number, since it is larger than the sum of its proper divisors (1).

56280347 is an equidigital number, since it uses as much as digits as its factorization.

56280347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 56280347 is about 7502.0228605357. The cubic root of 56280347 is about 383.2236080828.

The spelling of 56280347 in words is "fifty-six million, two hundred eighty thousand, three hundred forty-seven".