5655451 has 2 divisors, whose sum is σ = 5655452. Its totient is φ = 5655450.

The previous prime is 5655449. The next prime is 5655467. The reversal of 5655451 is 1545565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5655451 - 2¹ = 5655449 is a prime.

Together with 5655449, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5655491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827725 + 2827726.

It is an arithmetic number, because the mean of its divisors is an integer number (2827726).

Almost surely, 2^5655451 is an apocalyptic number.

5655451 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655451 is an equidigital number, since it uses as much as digits as its factorization.

5655451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15000, while the sum is 31.

The square root of 5655451 is about 2378.1192148418. The cubic root of 5655451 is about 178.1650092132.

The spelling of 5655451 in words is "five million, six hundred fifty-five thousand, four hundred fifty-one".