550457 has 2 divisors, whose sum is σ = 550458. Its totient is φ = 550456.
The previous prime is 550447. The next prime is 550469. The reversal of 550457 is 754055.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 440896 + 109561 = 664^2 + 331^2 .
It is a cyclic number.
It is not a de Polignac number, because 550457 - 24 = 550441 is a prime.
It is not a weakly prime, because it can be changed into another prime (550427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275228 + 275229.
It is an arithmetic number, because the mean of its divisors is an integer number (275229).
2550457 is an apocalyptic number.
It is an amenable number.
550457 is a deficient number, since it is larger than the sum of its proper divisors (1).
550457 is an equidigital number, since it uses as much as digits as its factorization.
550457 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3500, while the sum is 26.
The square root of 550457 is about 741.9278940706. The cubic root of 550457 is about 81.9548134942.
The spelling of 550457 in words is "five hundred fifty thousand, four hundred fifty-seven".
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