56757143 has 4 divisors (see below), whose sum is σ = 57441048. Its totient is φ = 56073240.

The previous prime is 56757137. The next prime is 56757157. The reversal of 56757143 is 34175765.

56757143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56757143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56757097 and 56757106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56757133) 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 in 3 ways as a sum of consecutive naturals, for example, 341828 + ... + 341993.

It is an arithmetic number, because the mean of its divisors is an integer number (14360262).

Almost surely, 2^56757143 is an apocalyptic number.

56757143 is a deficient number, since it is larger than the sum of its proper divisors (683905).

56757143 is an equidigital number, since it uses as much as digits as its factorization.

56757143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683904.

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

The square root of 56757143 is about 7533.7336693037. The cubic root of 56757143 is about 384.3027646045.

The spelling of 56757143 in words is "fifty-six million, seven hundred fifty-seven thousand, one hundred forty-three".