550513655 has 12 divisors (see below), whose sum is σ = 682619976. Its totient is φ = 426200400.

The previous prime is 550513651. The next prime is 550513673. The reversal of 550513655 is 556315055.

550513655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550513655 - 2² = 550513651 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 (550513651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52481 + ... + 62090.

It is an arithmetic number, because the mean of its divisors is an integer number (56884998).

Almost surely, 2^550513655 is an apocalyptic number.

550513655 is a deficient number, since it is larger than the sum of its proper divisors (132106321).

550513655 is a wasteful number, since it uses less digits than its factorization.

550513655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114638 (or 114607 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 35.

The square root of 550513655 is about 23463.0274048342. The cubic root of 550513655 is about 819.5762509173.

The spelling of 550513655 in words is "five hundred fifty million, five hundred thirteen thousand, six hundred fifty-five".