57220535843 has 2 divisors, whose sum is σ = 57220535844. Its totient is φ = 57220535842.

The previous prime is 57220535791. The next prime is 57220535851. The reversal of 57220535843 is 34853502275.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57220535843 - 2³⁰ = 56146794019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57220535794 and 57220535803.

It is not a weakly prime, because it can be changed into another prime (57220535863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28610267921 + 28610267922.

It is an arithmetic number, because the mean of its divisors is an integer number (28610267922).

Almost surely, 2^57220535843 is an apocalyptic number.

57220535843 is a deficient number, since it is larger than the sum of its proper divisors (1).

57220535843 is an equidigital number, since it uses as much as digits as its factorization.

57220535843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 57220535843 in words is "fifty-seven billion, two hundred twenty million, five hundred thirty-five thousand, eight hundred forty-three".