55677143 has 2 divisors, whose sum is σ = 55677144. Its totient is φ = 55677142.

The previous prime is 55677133. The next prime is 55677151. The reversal of 55677143 is 34177655.

55677143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55677143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55677097 and 55677106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55677103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27838571 + 27838572.

It is an arithmetic number, because the mean of its divisors is an integer number (27838572).

Almost surely, 2^55677143 is an apocalyptic number.

55677143 is a deficient number, since it is larger than the sum of its proper divisors (1).

55677143 is an equidigital number, since it uses as much as digits as its factorization.

55677143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 38.

The square root of 55677143 is about 7461.7118009208. The cubic root of 55677143 is about 381.8495771151.

The spelling of 55677143 in words is "fifty-five million, six hundred seventy-seven thousand, one hundred forty-three".