55754609 has 2 divisors, whose sum is σ = 55754610. Its totient is φ = 55754608.

The previous prime is 55754593. The next prime is 55754623. The reversal of 55754609 is 90645755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33097009 + 22657600 = 5753^2 + 4760^2 .

It is a cyclic number.

It is not a de Polignac number, because 55754609 - 2⁴ = 55754593 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 (55754659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27877304 + 27877305.

It is an arithmetic number, because the mean of its divisors is an integer number (27877305).

Almost surely, 2^55754609 is an apocalyptic number.

It is an amenable number.

55754609 is a deficient number, since it is larger than the sum of its proper divisors (1).

55754609 is an equidigital number, since it uses as much as digits as its factorization.

55754609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55754609 is about 7466.9008966237. The cubic root of 55754609 is about 382.0265896169.

The spelling of 55754609 in words is "fifty-five million, seven hundred fifty-four thousand, six hundred nine".