5557931 has 2 divisors, whose sum is σ = 5557932. Its totient is φ = 5557930.

The previous prime is 5557907. The next prime is 5557933. The reversal of 5557931 is 1397555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5557931 - 2¹⁰ = 5556907 is a prime.

It is a super-2 number, since 2×5557931² = 61781194001522, which contains 22 as substring.

Together with 5557933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5557891 and 5557900.

It is not a weakly prime, because it can be changed into another prime (5557933) 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, 2778965 + 2778966.

It is an arithmetic number, because the mean of its divisors is an integer number (2778966).

Almost surely, 2^5557931 is an apocalyptic number.

5557931 is a deficient number, since it is larger than the sum of its proper divisors (1).

5557931 is an equidigital number, since it uses as much as digits as its factorization.

5557931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23625, while the sum is 35.

The square root of 5557931 is about 2357.5264579639. The cubic root of 5557931 is about 177.1350007975.

The spelling of 5557931 in words is "five million, five hundred fifty-seven thousand, nine hundred thirty-one".