550140769 has 2 divisors, whose sum is σ = 550140770. Its totient is φ = 550140768.

The previous prime is 550140743. The next prime is 550140779. The reversal of 550140769 is 967041055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342435025 + 207705744 = 18505^2 + 14412^2 .

It is a cyclic number.

It is not a de Polignac number, because 550140769 - 2⁵ = 550140737 is a prime.

It is a super-2 number, since 2×550140769² = 605309731431822722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550140709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275070384 + 275070385.

It is an arithmetic number, because the mean of its divisors is an integer number (275070385).

Almost surely, 2^550140769 is an apocalyptic number.

It is an amenable number.

550140769 is a deficient number, since it is larger than the sum of its proper divisors (1).

550140769 is an equidigital number, since it uses as much as digits as its factorization.

550140769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 550140769 is about 23455.0798122709. The cubic root of 550140769 is about 819.3911646598.

The spelling of 550140769 in words is "five hundred fifty million, one hundred forty thousand, seven hundred sixty-nine".