554951 has 2 divisors, whose sum is σ = 554952.
Its totient is φ = 554950.
The previous prime is 554927. The next prime is 554959. The reversal of 554951 is 159455.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 554951 - 26 = 554887 is a prime.
It is a super-2 number, since 2×5549512 = 615941224802, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (554959) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277475 + 277476.
It is an arithmetic number, because the mean of its divisors is an integer number (277476).
2554951 is an apocalyptic number.
554951 is a deficient number, since it is larger than the sum of its proper divisors (1).
554951 is an equidigital number, since it uses as much as digits as its factorization.
554951 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4500, while the sum is 29.
The square root of 554951 is about 744.9503339150.
The cubic root of 554951 is about 82.1772390772.
The spelling of 554951 in words is "five hundred fifty-four thousand, nine hundred fifty-one".