56657144143 has 2 divisors, whose sum is σ = 56657144144. Its totient is φ = 56657144142.

The previous prime is 56657144099. The next prime is 56657144147. The reversal of 56657144143 is 34144175665.

It is a happy number.

56657144143 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 not a de Polignac number, because 56657144143 - 2¹⁷ = 56657013071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56657144093 and 56657144102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56657144147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28328572071 + 28328572072.

It is an arithmetic number, because the mean of its divisors is an integer number (28328572072).

Almost surely, 2^56657144143 is an apocalyptic number.

56657144143 is a deficient number, since it is larger than the sum of its proper divisors (1).

56657144143 is an equidigital number, since it uses as much as digits as its factorization.

56657144143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The spelling of 56657144143 in words is "fifty-six billion, six hundred fifty-seven million, one hundred forty-four thousand, one hundred forty-three".