550563101 has 4 divisors (see below), whose sum is σ = 600614304. Its totient is φ = 500511900.

The previous prime is 550563077. The next prime is 550563109. The reversal of 550563101 is 101365055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550563101 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 (550563109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25025585 + ... + 25025606.

It is an arithmetic number, because the mean of its divisors is an integer number (150153576).

Almost surely, 2^550563101 is an apocalyptic number.

It is an amenable number.

550563101 is a deficient number, since it is larger than the sum of its proper divisors (50051203).

550563101 is a wasteful number, since it uses less digits than its factorization.

550563101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50051202.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 550563101 is about 23464.0810815169. The cubic root of 550563101 is about 819.6007877317.

The spelling of 550563101 in words is "five hundred fifty million, five hundred sixty-three thousand, one hundred one".