55052399 has 2 divisors, whose sum is σ = 55052400. Its totient is φ = 55052398.

The previous prime is 55052383. The next prime is 55052407. The reversal of 55052399 is 99325055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55052399 - 2⁴ = 55052383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55052099) 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, 27526199 + 27526200.

It is an arithmetic number, because the mean of its divisors is an integer number (27526200).

Almost surely, 2^55052399 is an apocalyptic number.

55052399 is a deficient number, since it is larger than the sum of its proper divisors (1).

55052399 is an equidigital number, since it uses as much as digits as its factorization.

55052399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60750, while the sum is 38.

The square root of 55052399 is about 7419.7303859372. The cubic root of 55052399 is about 380.4159779895.

The spelling of 55052399 in words is "fifty-five million, fifty-two thousand, three hundred ninety-nine".