550710551 has 16 divisors (see below), whose sum is σ = 601214400. Its totient is φ = 502833408.

The previous prime is 550710539. The next prime is 550710557. The reversal of 550710551 is 155017055.

It is a cyclic number.

It is not a de Polignac number, because 550710551 - 2⁶ = 550710487 is a prime.

It is a super-2 number, since 2×550710551² = 606564221965447202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550710557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54725 + ... + 64001.

It is an arithmetic number, because the mean of its divisors is an integer number (37575900).

Almost surely, 2^550710551 is an apocalyptic number.

550710551 is a deficient number, since it is larger than the sum of its proper divisors (50503849).

550710551 is a wasteful number, since it uses less digits than its factorization.

550710551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418.

The product of its (nonzero) digits is 4375, while the sum is 29.

The square root of 550710551 is about 23467.2229077068. Note that the first 3 decimals coincide. The cubic root of 550710551 is about 819.6739487971.

The spelling of 550710551 in words is "five hundred fifty million, seven hundred ten thousand, five hundred fifty-one".