5571977 has 2 divisors, whose sum is σ = 5571978. Its totient is φ = 5571976.

The previous prime is 5571961. The next prime is 5571989. The reversal of 5571977 is 7791755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4414201 + 1157776 = 2101^2 + 1076^2 .

It is a cyclic number.

It is not a de Polignac number, because 5571977 - 2⁴ = 5571961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5571947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785988 + 2785989.

It is an arithmetic number, because the mean of its divisors is an integer number (2785989).

Almost surely, 2^5571977 is an apocalyptic number.

It is an amenable number.

5571977 is a deficient number, since it is larger than the sum of its proper divisors (1).

5571977 is an equidigital number, since it uses as much as digits as its factorization.

5571977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77175, while the sum is 41.

The square root of 5571977 is about 2360.5035479745. The cubic root of 5571977 is about 177.2840937624.

The spelling of 5571977 in words is "five million, five hundred seventy-one thousand, nine hundred seventy-seven".