550899983 has 2 divisors, whose sum is σ = 550899984. Its totient is φ = 550899982.

The previous prime is 550899953. The next prime is 550900043. The reversal of 550899983 is 389998055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550899983 - 2¹⁶ = 550834447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550899913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275449991 + 275449992.

It is an arithmetic number, because the mean of its divisors is an integer number (275449992).

Almost surely, 2^550899983 is an apocalyptic number.

550899983 is a deficient number, since it is larger than the sum of its proper divisors (1).

550899983 is an equidigital number, since it uses as much as digits as its factorization.

550899983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The square root of 550899983 is about 23471.2586581973. The cubic root of 550899983 is about 819.7679211359.

The spelling of 550899983 in words is "five hundred fifty million, eight hundred ninety-nine thousand, nine hundred eighty-three".