551643051 has 8 divisors (see below), whose sum is σ = 737707984. Its totient is φ = 366670080.

The previous prime is 551643049. The next prime is 551643067. The reversal of 551643051 is 150346155.

551643051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 551643051 - 2¹ = 551643049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551643551) 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, 271810 + ... + 273831.

It is an arithmetic number, because the mean of its divisors is an integer number (92213498).

Almost surely, 2^551643051 is an apocalyptic number.

551643051 is a deficient number, since it is larger than the sum of its proper divisors (186064933).

551643051 is a wasteful number, since it uses less digits than its factorization.

551643051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545981.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 551643051 is about 23487.0826413158. The cubic root of 551643051 is about 820.1363301983.

The spelling of 551643051 in words is "five hundred fifty-one million, six hundred forty-three thousand, fifty-one".