55070923 has 2 divisors, whose sum is σ = 55070924. Its totient is φ = 55070922.

The previous prime is 55070921. The next prime is 55070927. The reversal of 55070923 is 32907055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55070923 - 2¹ = 55070921 is a prime.

Together with 55070921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55070921) 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, 27535461 + 27535462.

It is an arithmetic number, because the mean of its divisors is an integer number (27535462).

Almost surely, 2^55070923 is an apocalyptic number.

55070923 is a deficient number, since it is larger than the sum of its proper divisors (1).

55070923 is an equidigital number, since it uses as much as digits as its factorization.

55070923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 55070923 is about 7420.9785742852. The cubic root of 55070923 is about 380.4586405890.

Adding to 55070923 its reverse (32907055), we get a palindrome (87977978).

The spelling of 55070923 in words is "fifty-five million, seventy thousand, nine hundred twenty-three".