550621079 has 2 divisors, whose sum is σ = 550621080. Its totient is φ = 550621078.

The previous prime is 550621069. The next prime is 550621147. The reversal of 550621079 is 970126055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550621079 - 2¹⁶ = 550555543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550621069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275310539 + 275310540.

It is an arithmetic number, because the mean of its divisors is an integer number (275310540).

Almost surely, 2^550621079 is an apocalyptic number.

550621079 is a deficient number, since it is larger than the sum of its proper divisors (1).

550621079 is an equidigital number, since it uses as much as digits as its factorization.

550621079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 550621079 is about 23465.3165118223. The cubic root of 550621079 is about 819.6295565482.

The spelling of 550621079 in words is "five hundred fifty million, six hundred twenty-one thousand, seventy-nine".