55623807443 has 2 divisors, whose sum is σ = 55623807444. Its totient is φ = 55623807442.

The previous prime is 55623807329. The next prime is 55623807451. The reversal of 55623807443 is 34470832655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55623807443 - 2¹⁶ = 55623741907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55623800443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27811903721 + 27811903722.

It is an arithmetic number, because the mean of its divisors is an integer number (27811903722).

Almost surely, 2^55623807443 is an apocalyptic number.

55623807443 is a deficient number, since it is larger than the sum of its proper divisors (1).

55623807443 is an equidigital number, since it uses as much as digits as its factorization.

55623807443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 55623807443 in words is "fifty-five billion, six hundred twenty-three million, eight hundred seven thousand, four hundred forty-three".