551285894 has 16 divisors (see below), whose sum is σ = 876213936. Its totient is φ = 259238400.

The previous prime is 551285879. The next prime is 551285899. The reversal of 551285894 is 498582155.

551285894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551285894² = 607832273846758472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551285899) 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, 48254 + ... + 58574.

It is an arithmetic number, because the mean of its divisors is an integer number (54763371).

Almost surely, 2^551285894 is an apocalyptic number.

551285894 is a deficient number, since it is larger than the sum of its proper divisors (324928042).

551285894 is a wasteful number, since it uses less digits than its factorization.

551285894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911.

The product of its digits is 576000, while the sum is 47.

The square root of 551285894 is about 23479.4781458192. The cubic root of 551285894 is about 819.9592950248.

The spelling of 551285894 in words is "five hundred fifty-one million, two hundred eighty-five thousand, eight hundred ninety-four".