56254609 has 2 divisors, whose sum is σ = 56254610. Its totient is φ = 56254608.

The previous prime is 56254589. The next prime is 56254631. The reversal of 56254609 is 90645265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54982225 + 1272384 = 7415^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 56254609 - 2¹⁷ = 56123537 is a prime.

It is not a weakly prime, because it can be changed into another prime (56254699) 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, 28127304 + 28127305.

It is an arithmetic number, because the mean of its divisors is an integer number (28127305).

Almost surely, 2^56254609 is an apocalyptic number.

It is an amenable number.

56254609 is a deficient number, since it is larger than the sum of its proper divisors (1).

56254609 is an equidigital number, since it uses as much as digits as its factorization.

56254609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 56254609 is about 7500.3072603727. The cubic root of 56254609 is about 383.1651808596.

The spelling of 56254609 in words is "fifty-six million, two hundred fifty-four thousand, six hundred nine".