57847961 has 2 divisors, whose sum is σ = 57847962. Its totient is φ = 57847960.

The previous prime is 57847939. The next prime is 57847969. The reversal of 57847961 is 16974875.

57847961 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., 41847961 + 16000000 = 6469^2 + 4000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57847961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57847969) 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 as a sum of consecutive naturals, namely, 28923980 + 28923981.

It is an arithmetic number, because the mean of its divisors is an integer number (28923981).

Almost surely, 2^57847961 is an apocalyptic number.

It is an amenable number.

57847961 is a deficient number, since it is larger than the sum of its proper divisors (1).

57847961 is an equidigital number, since it uses as much as digits as its factorization.

57847961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 57847961 is about 7605.7847063929. The cubic root of 57847961 is about 386.7491357819.

The spelling of 57847961 in words is "fifty-seven million, eight hundred forty-seven thousand, nine hundred sixty-one".