55702123 has 2 divisors, whose sum is σ = 55702124. Its totient is φ = 55702122.

The previous prime is 55702121. The next prime is 55702151. The reversal of 55702123 is 32120755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55702123 - 2¹ = 55702121 is a prime.

Together with 55702121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55702121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27851061 + 27851062.

It is an arithmetic number, because the mean of its divisors is an integer number (27851062).

Almost surely, 2^55702123 is an apocalyptic number.

55702123 is a deficient number, since it is larger than the sum of its proper divisors (1).

55702123 is an equidigital number, since it uses as much as digits as its factorization.

55702123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55702123 is about 7463.3854918529. The cubic root of 55702123 is about 381.9066752093.

Adding to 55702123 its reverse (32120755), we get a palindrome (87822878).

The spelling of 55702123 in words is "fifty-five million, seven hundred two thousand, one hundred twenty-three".