551246771 has 6 divisors (see below), whose sum is σ = 553601916. Its totient is φ = 548901600.

The previous prime is 551246749. The next prime is 551246803. The reversal of 551246771 is 177642155.

It is a de Polignac number, because none of the positive numbers 2^k-551246771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551246701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53336 + ... + 62826.

It is an arithmetic number, because the mean of its divisors is an integer number (92266986).

Almost surely, 2^551246771 is an apocalyptic number.

551246771 is a deficient number, since it is larger than the sum of its proper divisors (2355145).

551246771 is an frugal number, since it uses more digits than its factorization.

551246771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973 (or 9732 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 551246771 is about 23478.6449992328. The cubic root of 551246771 is about 819.9398979348.

The spelling of 551246771 in words is "five hundred fifty-one million, two hundred forty-six thousand, seven hundred seventy-one".