55070311 has 2 divisors, whose sum is σ = 55070312. Its totient is φ = 55070310.

The previous prime is 55070297. The next prime is 55070321. The reversal of 55070311 is 11307055.

55070311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55070311 - 2¹⁷ = 54939239 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 (55070321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27535155 + 27535156.

It is an arithmetic number, because the mean of its divisors is an integer number (27535156).

Almost surely, 2^55070311 is an apocalyptic number.

55070311 is a deficient number, since it is larger than the sum of its proper divisors (1).

55070311 is an equidigital number, since it uses as much as digits as its factorization.

55070311 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 55070311 is about 7420.9373397166. The cubic root of 55070311 is about 380.4572312455.

Adding to 55070311 its reverse (11307055), we get a palindrome (66377366).

The spelling of 55070311 in words is "fifty-five million, seventy thousand, three hundred eleven".