5556431 has 2 divisors, whose sum is σ = 5556432. Its totient is φ = 5556430.

The previous prime is 5556427. The next prime is 5556437. The reversal of 5556431 is 1346555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5556431 - 2² = 5556427 is a prime.

It is a super-2 number, since 2×5556431² = 61747850915522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5556394 and 5556403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5556437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778215 + 2778216.

It is an arithmetic number, because the mean of its divisors is an integer number (2778216).

Almost surely, 2^5556431 is an apocalyptic number.

5556431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5556431 is an equidigital number, since it uses as much as digits as its factorization.

5556431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 5556431 is about 2357.2083064507. The cubic root of 5556431 is about 177.1190640272.

The spelling of 5556431 in words is "five million, five hundred fifty-six thousand, four hundred thirty-one".