5556791 has 2 divisors, whose sum is σ = 5556792. Its totient is φ = 5556790.

The previous prime is 5556769. The next prime is 5556821. The reversal of 5556791 is 1976555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5556791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778395 + 2778396.

It is an arithmetic number, because the mean of its divisors is an integer number (2778396).

Almost surely, 2^5556791 is an apocalyptic number.

5556791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556791 is an equidigital number, since it uses as much as digits as its factorization.

5556791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47250, while the sum is 38.

The square root of 5556791 is about 2357.2846667299. The cubic root of 5556791 is about 177.1228891136.

The spelling of 5556791 in words is "five million, five hundred fifty-six thousand, seven hundred ninety-one".