56025691 has 2 divisors, whose sum is σ = 56025692. Its totient is φ = 56025690.

The previous prime is 56025679. The next prime is 56025701. The reversal of 56025691 is 19652065.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56025691 - 2¹⁹ = 55501403 is a prime.

It is not a weakly prime, because it can be changed into another prime (56025491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28012845 + 28012846.

It is an arithmetic number, because the mean of its divisors is an integer number (28012846).

Almost surely, 2^56025691 is an apocalyptic number.

56025691 is a deficient number, since it is larger than the sum of its proper divisors (1).

56025691 is an equidigital number, since it uses as much as digits as its factorization.

56025691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 56025691 is about 7485.0311288598. The cubic root of 56025691 is about 382.6447336992.

The spelling of 56025691 in words is "fifty-six million, twenty-five thousand, six hundred ninety-one".