55303007623 has 2 divisors, whose sum is σ = 55303007624. Its totient is φ = 55303007622.

The previous prime is 55303007621. The next prime is 55303007653. The reversal of 55303007623 is 32670030355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55303007623 - 2¹ = 55303007621 is a prime.

It is a super-2 number, since 2×55303007623² (a number of 22 digits) contains 22 as substring.

Together with 55303007621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55303007621) 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, 27651503811 + 27651503812.

It is an arithmetic number, because the mean of its divisors is an integer number (27651503812).

Almost surely, 2^55303007623 is an apocalyptic number.

55303007623 is a deficient number, since it is larger than the sum of its proper divisors (1).

55303007623 is an equidigital number, since it uses as much as digits as its factorization.

55303007623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 34.

Adding to 55303007623 its reverse (32670030355), we get a palindrome (87973037978).

The spelling of 55303007623 in words is "fifty-five billion, three hundred three million, seven thousand, six hundred twenty-three".