55052609 has 2 divisors, whose sum is σ = 55052610. Its totient is φ = 55052608.

The previous prime is 55052597. The next prime is 55052611. The reversal of 55052609 is 90625055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43930384 + 11122225 = 6628^2 + 3335^2 .

It is a cyclic number.

It is not a de Polignac number, because 55052609 - 2¹⁶ = 54987073 is a prime.

Together with 55052611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55052629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27526304 + 27526305.

It is an arithmetic number, because the mean of its divisors is an integer number (27526305).

Almost surely, 2^55052609 is an apocalyptic number.

It is an amenable number.

55052609 is a deficient number, since it is larger than the sum of its proper divisors (1).

55052609 is an equidigital number, since it uses as much as digits as its factorization.

55052609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 55052609 is about 7419.7445373813. The cubic root of 55052609 is about 380.4164616939.

The spelling of 55052609 in words is "fifty-five million, fifty-two thousand, six hundred nine".