56943337357 has 2 divisors, whose sum is σ = 56943337358. Its totient is φ = 56943337356.

The previous prime is 56943337289. The next prime is 56943337379. The reversal of 56943337357 is 75373334965.

56943337357 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 can be written as a sum of positive squares in only one way, i.e., 46082779561 + 10860557796 = 214669^2 + 104214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56943337357 is a prime.

It is a super-2 number, since 2×56943337357² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56943337298 and 56943337307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56943337387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28471668678 + 28471668679.

It is an arithmetic number, because the mean of its divisors is an integer number (28471668679).

Almost surely, 2^56943337357 is an apocalyptic number.

It is an amenable number.

56943337357 is a deficient number, since it is larger than the sum of its proper divisors (1).

56943337357 is an equidigital number, since it uses as much as digits as its factorization.

56943337357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21432600, while the sum is 55.

The spelling of 56943337357 in words is "fifty-six billion, nine hundred forty-three million, three hundred thirty-seven thousand, three hundred fifty-seven".