551797775 has 12 divisors (see below), whose sum is σ = 691920000. Its totient is φ = 436476480.

The previous prime is 551797769. The next prime is 551797811. The reversal of 551797775 is 577797155.

It is not a de Polignac number, because 551797775 - 2⁴ = 551797759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121775 + ... + 126224.

It is an arithmetic number, because the mean of its divisors is an integer number (57660000).

Almost surely, 2^551797775 is an apocalyptic number.

551797775 is a deficient number, since it is larger than the sum of its proper divisors (140122225).

551797775 is a wasteful number, since it uses less digits than its factorization.

551797775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248098 (or 248093 counting only the distinct ones).

The product of its digits is 2701125, while the sum is 53.

The square root of 551797775 is about 23490.3762209123. The cubic root of 551797775 is about 820.2129998923.

The spelling of 551797775 in words is "five hundred fifty-one million, seven hundred ninety-seven thousand, seven hundred seventy-five".