554451431 has 2 divisors, whose sum is σ = 554451432. Its totient is φ = 554451430.

The previous prime is 554451421. The next prime is 554451449. The reversal of 554451431 is 134154455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554451431 is a prime.

It is a super-2 number, since 2×554451431² = 614832778675895522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554451421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277225715 + 277225716.

It is an arithmetic number, because the mean of its divisors is an integer number (277225716).

Almost surely, 2^554451431 is an apocalyptic number.

554451431 is a deficient number, since it is larger than the sum of its proper divisors (1).

554451431 is an equidigital number, since it uses as much as digits as its factorization.

554451431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 32.

The square root of 554451431 is about 23546.7923717860. The cubic root of 554451431 is about 821.5257291981.

The spelling of 554451431 in words is "five hundred fifty-four million, four hundred fifty-one thousand, four hundred thirty-one".