56175649 has 2 divisors, whose sum is σ = 56175650. Its totient is φ = 56175648.

The previous prime is 56175607. The next prime is 56175659. The reversal of 56175649 is 94657165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39627025 + 16548624 = 6295^2 + 4068^2 .

It is a cyclic number.

It is not a de Polignac number, because 56175649 - 2⁷ = 56175521 is a prime.

It is not a weakly prime, because it can be changed into another prime (56175659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28087824 + 28087825.

It is an arithmetic number, because the mean of its divisors is an integer number (28087825).

Almost surely, 2^56175649 is an apocalyptic number.

It is an amenable number.

56175649 is a deficient number, since it is larger than the sum of its proper divisors (1).

56175649 is an equidigital number, since it uses as much as digits as its factorization.

56175649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 56175649 is about 7495.0416276362. The cubic root of 56175649 is about 382.9858243611.

The spelling of 56175649 in words is "fifty-six million, one hundred seventy-five thousand, six hundred forty-nine".