550342551 has 32 divisors (see below), whose sum is σ = 857922048. Its totient is φ = 310400640.

The previous prime is 550342517. The next prime is 550342553. The reversal of 550342551 is 155243055.

It is a happy number.

It is not a de Polignac number, because 550342551 - 2¹⁷ = 550211479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550342553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18285 + ... + 37881.

It is an arithmetic number, because the mean of its divisors is an integer number (26810064).

Almost surely, 2^550342551 is an apocalyptic number.

550342551 is a deficient number, since it is larger than the sum of its proper divisors (307579497).

550342551 is a wasteful number, since it uses less digits than its factorization.

550342551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 550342551 is about 23459.3808741834. The cubic root of 550342551 is about 819.4913318576.

The spelling of 550342551 in words is "five hundred fifty million, three hundred forty-two thousand, five hundred fifty-one".