5778551 has 2 divisors, whose sum is σ = 5778552. Its totient is φ = 5778550.

The previous prime is 5778529. The next prime is 5778571. The reversal of 5778551 is 1558775.

5778551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5778551 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5778571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889275 + 2889276.

It is an arithmetic number, because the mean of its divisors is an integer number (2889276).

Almost surely, 2^5778551 is an apocalyptic number.

5778551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5778551 is an equidigital number, since it uses as much as digits as its factorization.

5778551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49000, while the sum is 38.

The square root of 5778551 is about 2403.8616848729. The cubic root of 5778551 is about 179.4484246990.

The spelling of 5778551 in words is "five million, seven hundred seventy-eight thousand, five hundred fifty-one".