56074289 has 2 divisors, whose sum is σ = 56074290. Its totient is φ = 56074288.

The previous prime is 56074267. The next prime is 56074307. The reversal of 56074289 is 98247065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29376400 + 26697889 = 5420^2 + 5167^2 .

It is a cyclic number.

It is not a de Polignac number, because 56074289 - 2⁸ = 56074033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56074229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28037144 + 28037145.

It is an arithmetic number, because the mean of its divisors is an integer number (28037145).

Almost surely, 2^56074289 is an apocalyptic number.

It is an amenable number.

56074289 is a deficient number, since it is larger than the sum of its proper divisors (1).

56074289 is an equidigital number, since it uses as much as digits as its factorization.

56074289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 56074289 is about 7488.2767710602. The cubic root of 56074289 is about 382.7553400670.

The spelling of 56074289 in words is "fifty-six million, seventy-four thousand, two hundred eighty-nine".