55677725567 has 2 divisors, whose sum is σ = 55677725568. Its totient is φ = 55677725566.

The previous prime is 55677725563. The next prime is 55677725569. The reversal of 55677725567 is 76552777655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55677725567 - 2² = 55677725563 is a prime.

Together with 55677725569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55677725563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838862783 + 27838862784.

It is an arithmetic number, because the mean of its divisors is an integer number (27838862784).

Almost surely, 2^55677725567 is an apocalyptic number.

55677725567 is a deficient number, since it is larger than the sum of its proper divisors (1).

55677725567 is an equidigital number, since it uses as much as digits as its factorization.

55677725567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108045000, while the sum is 62.

The spelling of 55677725567 in words is "fifty-five billion, six hundred seventy-seven million, seven hundred twenty-five thousand, five hundred sixty-seven".