54656009 has 2 divisors, whose sum is σ = 54656010. Its totient is φ = 54656008.

The previous prime is 54655999. The next prime is 54656029. The reversal of 54656009 is 90065645.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 10725625 = 6628^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 54656009 - 2⁸ = 54655753 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54656009.

It is not a weakly prime, because it can be changed into another prime (54656029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27328004 + 27328005.

It is an arithmetic number, because the mean of its divisors is an integer number (27328005).

Almost surely, 2^54656009 is an apocalyptic number.

It is an amenable number.

54656009 is a deficient number, since it is larger than the sum of its proper divisors (1).

54656009 is an equidigital number, since it uses as much as digits as its factorization.

54656009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 54656009 is about 7392.9702420610. The cubic root of 54656009 is about 379.5007501824.

The spelling of 54656009 in words is "fifty-four million, six hundred fifty-six thousand, nine".