551376747 has 12 divisors (see below), whose sum is σ = 817035240. Its totient is φ = 367503156.

The previous prime is 551376697. The next prime is 551376779. The reversal of 551376747 is 747673155.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

551376747 is a `hidden beast` number, since 551 + 37 + 67 + 4 + 7 = 666.

It is not a de Polignac number, because 551376747 - 2⁷ = 551376619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551376247) 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 11 ways as a sum of consecutive naturals, for example, 119754 + ... + 124272.

It is an arithmetic number, because the mean of its divisors is an integer number (68086270).

Almost surely, 2^551376747 is an apocalyptic number.

551376747 is a deficient number, since it is larger than the sum of its proper divisors (265658493).

551376747 is an frugal number, since it uses more digits than its factorization.

551376747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9047 (or 4522 counting only the distinct ones).

The product of its digits is 617400, while the sum is 45.

The square root of 551376747 is about 23481.4127982113. The cubic root of 551376747 is about 820.0043361857.

The spelling of 551376747 in words is "five hundred fifty-one million, three hundred seventy-six thousand, seven hundred forty-seven".