57276677 has 2 divisors, whose sum is σ = 57276678. Its totient is φ = 57276676.

The previous prime is 57276673. The next prime is 57276679. The reversal of 57276677 is 77667275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32615521 + 24661156 = 5711^2 + 4966^2 .

It is a cyclic number.

It is not a de Polignac number, because 57276677 - 2² = 57276673 is a prime.

Together with 57276679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57276671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28638338 + 28638339.

It is an arithmetic number, because the mean of its divisors is an integer number (28638339).

Almost surely, 2^57276677 is an apocalyptic number.

It is an amenable number.

57276677 is a deficient number, since it is larger than the sum of its proper divisors (1).

57276677 is an equidigital number, since it uses as much as digits as its factorization.

57276677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864360, while the sum is 47.

The square root of 57276677 is about 7568.1356356767. The cubic root of 57276677 is about 385.4717935672.

The spelling of 57276677 in words is "fifty-seven million, two hundred seventy-six thousand, six hundred seventy-seven".