550640257263 has 6 divisors (see below), whose sum is σ = 795369260504. Its totient is φ = 367093504836.

The previous prime is 550640257259. The next prime is 550640257267. The reversal of 550640257263 is 362752046055.

550640257263 is a `hidden beast` number, since 550 + 6 + 4 + 0 + 25 + 72 + 6 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (550640257259) and next prime (550640257267).

It is not a de Polignac number, because 550640257263 - 2² = 550640257259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550640257267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30591125395 + ... + 30591125412.

Almost surely, 2^550640257263 is an apocalyptic number.

550640257263 is a deficient number, since it is larger than the sum of its proper divisors (244729003241).

550640257263 is a wasteful number, since it uses less digits than its factorization.

550640257263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61182250813 (or 61182250810 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 550640257263 in words is "five hundred fifty billion, six hundred forty million, two hundred fifty-seven thousand, two hundred sixty-three".