550604123 has 2 divisors, whose sum is σ = 550604124. Its totient is φ = 550604122.

The previous prime is 550604101. The next prime is 550604147. The reversal of 550604123 is 321406055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550604123 - 2¹⁰ = 550603099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 550604092 and 550604101.

It is not a weakly prime, because it can be changed into another prime (550606123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275302061 + 275302062.

It is an arithmetic number, because the mean of its divisors is an integer number (275302062).

Almost surely, 2^550604123 is an apocalyptic number.

550604123 is a deficient number, since it is larger than the sum of its proper divisors (1).

550604123 is an equidigital number, since it uses as much as digits as its factorization.

550604123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 550604123 is about 23464.9552098443. The cubic root of 550604123 is about 819.6211431511.

The spelling of 550604123 in words is "five hundred fifty million, six hundred four thousand, one hundred twenty-three".