5577997 has 2 divisors, whose sum is σ = 5577998. Its totient is φ = 5577996.

The previous prime is 5577991. The next prime is 5578031. The reversal of 5577997 is 7997755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 1142761 = 2106^2 + 1069^2 .

It is a cyclic number.

It is not a de Polignac number, because 5577997 - 2¹⁵ = 5545229 is a prime.

It is a super-2 number, since 2×5577997² = 62228101064018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5577997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5577991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788998 + 2788999.

It is an arithmetic number, because the mean of its divisors is an integer number (2788999).

Almost surely, 2^5577997 is an apocalyptic number.

It is an amenable number.

5577997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5577997 is an equidigital number, since it uses as much as digits as its factorization.

5577997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 694575, while the sum is 49.

The square root of 5577997 is about 2361.7783553924. The cubic root of 5577997 is about 177.3479170769.

The spelling of 5577997 in words is "five million, five hundred seventy-seven thousand, nine hundred ninety-seven".