551552063 has 4 divisors (see below), whose sum is σ = 583996320. Its totient is φ = 519107808.

The previous prime is 551552059. The next prime is 551552077. The reversal of 551552063 is 360255155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551552063 - 2² = 551552059 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 (551552033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16222103 + ... + 16222136.

It is an arithmetic number, because the mean of its divisors is an integer number (145999080).

Almost surely, 2^551552063 is an apocalyptic number.

551552063 is a deficient number, since it is larger than the sum of its proper divisors (32444257).

551552063 is a wasteful number, since it uses less digits than its factorization.

551552063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32444256.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 551552063 is about 23485.1455818353. The cubic root of 551552063 is about 820.0912366260.

The spelling of 551552063 in words is "five hundred fifty-one million, five hundred fifty-two thousand, sixty-three".