551463213 has 32 divisors (see below), whose sum is σ = 853954560. Its totient is φ = 310040640.

The previous prime is 551463193. The next prime is 551463293. The reversal of 551463213 is 312364155.

551463213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551463213 - 2⁶ = 551463149 is a prime.

It is a super-2 number, since 2×551463213² = 608223350584566738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551463293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 814231 + ... + 814907.

It is an arithmetic number, because the mean of its divisors is an integer number (26686080).

Almost surely, 2^551463213 is an apocalyptic number.

It is an amenable number.

551463213 is a deficient number, since it is larger than the sum of its proper divisors (302491347).

551463213 is a wasteful number, since it uses less digits than its factorization.

551463213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257.

The product of its digits is 10800, while the sum is 30.

The square root of 551463213 is about 23483.2538844173. The cubic root of 551463213 is about 820.0471978584.

The spelling of 551463213 in words is "five hundred fifty-one million, four hundred sixty-three thousand, two hundred thirteen".