55677656231 has 2 divisors, whose sum is σ = 55677656232. Its totient is φ = 55677656230.

The previous prime is 55677656149. The next prime is 55677656257. The reversal of 55677656231 is 13265677655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55677656231 - 2¹⁰ = 55677655207 is a prime.

It is a super-2 number, since 2×55677656231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55677856231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838828115 + 27838828116.

It is an arithmetic number, because the mean of its divisors is an integer number (27838828116).

Almost surely, 2^55677656231 is an apocalyptic number.

55677656231 is a deficient number, since it is larger than the sum of its proper divisors (1).

55677656231 is an equidigital number, since it uses as much as digits as its factorization.

55677656231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 53.

The spelling of 55677656231 in words is "fifty-five billion, six hundred seventy-seven million, six hundred fifty-six thousand, two hundred thirty-one".