55030711 has 2 divisors, whose sum is σ = 55030712. Its totient is φ = 55030710.

The previous prime is 55030709. The next prime is 55030727. The reversal of 55030711 is 11703055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55030711 - 2¹ = 55030709 is a prime.

Together with 55030709, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55030741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515355 + 27515356.

It is an arithmetic number, because the mean of its divisors is an integer number (27515356).

Almost surely, 2^55030711 is an apocalyptic number.

55030711 is a deficient number, since it is larger than the sum of its proper divisors (1).

55030711 is an equidigital number, since it uses as much as digits as its factorization.

55030711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 55030711 is about 7418.2687333366. The cubic root of 55030711 is about 380.3660162225.

Adding to 55030711 its reverse (11703055), we get a palindrome (66733766).

The spelling of 55030711 in words is "fifty-five million, thirty thousand, seven hundred eleven".