551043771 has 8 divisors (see below), whose sum is σ = 740334144. Its totient is φ = 364557960.

The previous prime is 551043769. The next prime is 551043791. The reversal of 551043771 is 177340155.

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

It is not a de Polignac number, because 551043771 - 2¹ = 551043769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551043751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700681 + ... + 701466.

It is an arithmetic number, because the mean of its divisors is an integer number (92541768).

Almost surely, 2^551043771 is an apocalyptic number.

551043771 is a deficient number, since it is larger than the sum of its proper divisors (189290373).

551043771 is a wasteful number, since it uses less digits than its factorization.

551043771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402281.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 551043771 is about 23474.3215237416. The cubic root of 551043771 is about 819.8392362807.

The spelling of 551043771 in words is "five hundred fifty-one million, forty-three thousand, seven hundred seventy-one".