57461977 has 2 divisors, whose sum is σ = 57461978. Its totient is φ = 57461976.

The previous prime is 57461959. The next prime is 57462037. The reversal of 57461977 is 77916475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57441241 + 20736 = 7579^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 57461977 - 2¹⁹ = 56937689 is a prime.

It is not a weakly prime, because it can be changed into another prime (57461077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28730988 + 28730989.

It is an arithmetic number, because the mean of its divisors is an integer number (28730989).

Almost surely, 2^57461977 is an apocalyptic number.

It is an amenable number.

57461977 is a deficient number, since it is larger than the sum of its proper divisors (1).

57461977 is an equidigital number, since it uses as much as digits as its factorization.

57461977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 46.

The square root of 57461977 is about 7580.3678670629. The cubic root of 57461977 is about 385.8870355003.

The spelling of 57461977 in words is "fifty-seven million, four hundred sixty-one thousand, nine hundred seventy-seven".