551261006 has 8 divisors (see below), whose sum is σ = 875532240. Its totient is φ = 259416928.

The previous prime is 551260981. The next prime is 551261027. The reversal of 551261006 is 600162155.

551261006 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 a super-2 number, since 2×551261006² = 607777393472264072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8106746 + ... + 8106813.

It is an arithmetic number, because the mean of its divisors is an integer number (109441530).

Almost surely, 2^551261006 is an apocalyptic number.

551261006 is a deficient number, since it is larger than the sum of its proper divisors (324271234).

551261006 is a wasteful number, since it uses less digits than its factorization.

551261006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16213578.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 551261006 is about 23478.9481450937. The cubic root of 551261006 is about 819.9469557200.

The spelling of 551261006 in words is "five hundred fifty-one million, two hundred sixty-one thousand, six".