55677677723 has 2 divisors, whose sum is σ = 55677677724. Its totient is φ = 55677677722.

The previous prime is 55677677719. The next prime is 55677677743. The reversal of 55677677723 is 32777677655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55677677723 - 2² = 55677677719 is a prime.

It is not a weakly prime, because it can be changed into another prime (55677677743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838838861 + 27838838862.

It is an arithmetic number, because the mean of its divisors is an integer number (27838838862).

Almost surely, 2^55677677723 is an apocalyptic number.

55677677723 is a deficient number, since it is larger than the sum of its proper divisors (1).

55677677723 is an equidigital number, since it uses as much as digits as its factorization.

55677677723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90757800, while the sum is 62.

The spelling of 55677677723 in words is "fifty-five billion, six hundred seventy-seven million, six hundred seventy-seven thousand, seven hundred twenty-three".