550456853 has 2 divisors, whose sum is σ = 550456854. Its totient is φ = 550456852.

The previous prime is 550456849. The next prime is 550456877. The reversal of 550456853 is 358654055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517198564 + 33258289 = 22742^2 + 5767^2 .

It is a cyclic number.

It is not a de Polignac number, because 550456853 - 2² = 550456849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550456853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550450853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275228426 + 275228427.

It is an arithmetic number, because the mean of its divisors is an integer number (275228427).

Almost surely, 2^550456853 is an apocalyptic number.

It is an amenable number.

550456853 is a deficient number, since it is larger than the sum of its proper divisors (1).

550456853 is an equidigital number, since it uses as much as digits as its factorization.

550456853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 41.

The square root of 550456853 is about 23461.8169160021. The cubic root of 550456853 is about 819.5480619881.

The spelling of 550456853 in words is "five hundred fifty million, four hundred fifty-six thousand, eight hundred fifty-three".