550663751 has 8 divisors (see below), whose sum is σ = 602684544. Its totient is φ = 498969720.

The previous prime is 550663741. The next prime is 550663781. The reversal of 550663751 is 157366055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550663751 - 2¹⁴ = 550647367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550663741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78155 + ... + 84908.

It is an arithmetic number, because the mean of its divisors is an integer number (75335568).

Almost surely, 2^550663751 is an apocalyptic number.

550663751 is a deficient number, since it is larger than the sum of its proper divisors (52020793).

550663751 is a wasteful number, since it uses less digits than its factorization.

550663751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163381.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 550663751 is about 23466.2257510661. The cubic root of 550663751 is about 819.6507292024.

The spelling of 550663751 in words is "five hundred fifty million, six hundred sixty-three thousand, seven hundred fifty-one".