55617850723 has 2 divisors, whose sum is σ = 55617850724. Its totient is φ = 55617850722.

The previous prime is 55617850703. The next prime is 55617850747. The reversal of 55617850723 is 32705871655.

55617850723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55617850723 is a prime.

It is not a weakly prime, because it can be changed into another prime (55617850703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27808925361 + 27808925362.

It is an arithmetic number, because the mean of its divisors is an integer number (27808925362).

Almost surely, 2^55617850723 is an apocalyptic number.

55617850723 is a deficient number, since it is larger than the sum of its proper divisors (1).

55617850723 is an equidigital number, since it uses as much as digits as its factorization.

55617850723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 55617850723 in words is "fifty-five billion, six hundred seventeen million, eight hundred fifty thousand, seven hundred twenty-three".