551746769 has 16 divisors (see below), whose sum is σ = 642280320. Its totient is φ = 464175360.

The previous prime is 551746759. The next prime is 551746807. The reversal of 551746769 is 967647155.

551746769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551746769 is a prime.

It is a super-2 number, since 2×551746769² = 608848994203878722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551746709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252122 + ... + 254300.

It is an arithmetic number, because the mean of its divisors is an integer number (40142520).

Almost surely, 2^551746769 is an apocalyptic number.

It is an amenable number.

551746769 is a deficient number, since it is larger than the sum of its proper divisors (90533551).

551746769 is a wasteful number, since it uses less digits than its factorization.

551746769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840.

The product of its digits is 1587600, while the sum is 50.

The square root of 551746769 is about 23489.2905171697. The cubic root of 551746769 is about 820.1877267003.

The spelling of 551746769 in words is "five hundred fifty-one million, seven hundred forty-six thousand, seven hundred sixty-nine".