54655655623 has 2 divisors, whose sum is σ = 54655655624. Its totient is φ = 54655655622.

The previous prime is 54655655563. The next prime is 54655655729. The reversal of 54655655623 is 32655655645.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54655655623 - 2⁹ = 54655655111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54655655123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27327827811 + 27327827812.

It is an arithmetic number, because the mean of its divisors is an integer number (27327827812).

Almost surely, 2^54655655623 is an apocalyptic number.

54655655623 is a deficient number, since it is larger than the sum of its proper divisors (1).

54655655623 is an equidigital number, since it uses as much as digits as its factorization.

54655655623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200000, while the sum is 52.

The spelling of 54655655623 in words is "fifty-four billion, six hundred fifty-five million, six hundred fifty-five thousand, six hundred twenty-three".