551551463 has 2 divisors, whose sum is σ = 551551464. Its totient is φ = 551551462.

The previous prime is 551551459. The next prime is 551551471. The reversal of 551551463 is 364155155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551551463 - 2² = 551551459 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551551963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275775731 + 275775732.

It is an arithmetic number, because the mean of its divisors is an integer number (275775732).

Almost surely, 2^551551463 is an apocalyptic number.

551551463 is a deficient number, since it is larger than the sum of its proper divisors (1).

551551463 is an equidigital number, since it uses as much as digits as its factorization.

551551463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 35.

The square root of 551551463 is about 23485.1328077999. The cubic root of 551551463 is about 820.0909392500.

The spelling of 551551463 in words is "five hundred fifty-one million, five hundred fifty-one thousand, four hundred sixty-three".