5655491 has 2 divisors, whose sum is σ = 5655492. Its totient is φ = 5655490.

The previous prime is 5655473. The next prime is 5655511. The reversal of 5655491 is 1945565.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5655491 is a prime.

It is a super-4 number, since 4×5655491⁴ (a number of 28 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (5655451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827745 + 2827746.

It is an arithmetic number, because the mean of its divisors is an integer number (2827746).

Almost surely, 2^5655491 is an apocalyptic number.

5655491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655491 is an equidigital number, since it uses as much as digits as its factorization.

5655491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 35.

The square root of 5655491 is about 2378.1276248343. The cubic root of 5655491 is about 178.1654292554.

The spelling of 5655491 in words is "five million, six hundred fifty-five thousand, four hundred ninety-one".