55626943 has 2 divisors, whose sum is σ = 55626944. Its totient is φ = 55626942.

The previous prime is 55626919. The next prime is 55626953. The reversal of 55626943 is 34962655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55626943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55626896 and 55626905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55626913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27813471 + 27813472.

It is an arithmetic number, because the mean of its divisors is an integer number (27813472).

Almost surely, 2^55626943 is an apocalyptic number.

55626943 is a deficient number, since it is larger than the sum of its proper divisors (1).

55626943 is an equidigital number, since it uses as much as digits as its factorization.

55626943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 55626943 is about 7458.3472029666. The cubic root of 55626943 is about 381.7347806793.

The spelling of 55626943 in words is "fifty-five million, six hundred twenty-six thousand, nine hundred forty-three".