551552851 has 2 divisors, whose sum is σ = 551552852. Its totient is φ = 551552850.

The previous prime is 551552797. The next prime is 551552861. The reversal of 551552851 is 158255155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551552851 - 2⁷ = 551552723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551552851.

It is not a weakly prime, because it can be changed into another prime (551552861) 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, 275776425 + 275776426.

It is an arithmetic number, because the mean of its divisors is an integer number (275776426).

Almost surely, 2^551552851 is an apocalyptic number.

551552851 is a deficient number, since it is larger than the sum of its proper divisors (1).

551552851 is an equidigital number, since it uses as much as digits as its factorization.

551552851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50000, while the sum is 37.

The square root of 551552851 is about 23485.1623583913. The cubic root of 551552851 is about 820.0916271794.

The spelling of 551552851 in words is "five hundred fifty-one million, five hundred fifty-two thousand, eight hundred fifty-one".