551976775 has 12 divisors (see below), whose sum is σ = 782230192. Its totient is φ = 378498240.

The previous prime is 551976697. The next prime is 551976787. The reversal of 551976775 is 577679155.

It is not a de Polignac number, because 551976775 - 2¹¹ = 551974727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1576902 + ... + 1577251.

Almost surely, 2^551976775 is an apocalyptic number.

551976775 is a deficient number, since it is larger than the sum of its proper divisors (230253417).

551976775 is a wasteful number, since it uses less digits than its factorization.

551976775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154170 (or 3154165 counting only the distinct ones).

The product of its digits is 2315250, while the sum is 52.

The square root of 551976775 is about 23494.1859829193. The cubic root of 551976775 is about 820.3016810848.

The spelling of 551976775 in words is "five hundred fifty-one million, nine hundred seventy-six thousand, seven hundred seventy-five".