57079843 has 2 divisors, whose sum is σ = 57079844. Its totient is φ = 57079842.

The previous prime is 57079823. The next prime is 57079873. The reversal of 57079843 is 34897075.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57079843 - 2⁹ = 57079331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57079843.

It is not a weakly prime, because it can be changed into another prime (57079823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28539921 + 28539922.

It is an arithmetic number, because the mean of its divisors is an integer number (28539922).

Almost surely, 2^57079843 is an apocalyptic number.

57079843 is a deficient number, since it is larger than the sum of its proper divisors (1).

57079843 is an equidigital number, since it uses as much as digits as its factorization.

57079843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 57079843 is about 7555.1203167124. The cubic root of 57079843 is about 385.0297227854.

The spelling of 57079843 in words is "fifty-seven million, seventy-nine thousand, eight hundred forty-three".