551776577 has 12 divisors (see below), whose sum is σ = 607246080. Its totient is φ = 500996760.

The previous prime is 551776553. The next prime is 551776579. The reversal of 551776577 is 775677155.

It is not a de Polignac number, because 551776577 - 2¹⁴ = 551760193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551776579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116624 + ... + 121262.

It is an arithmetic number, because the mean of its divisors is an integer number (50603840).

Almost surely, 2^551776577 is an apocalyptic number.

It is an amenable number.

551776577 is a deficient number, since it is larger than the sum of its proper divisors (55469503).

551776577 is a wasteful number, since it uses less digits than its factorization.

551776577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644 (or 5633 counting only the distinct ones).

The product of its digits is 1800750, while the sum is 50.

The square root of 551776577 is about 23489.9250105231. The cubic root of 551776577 is about 820.2024965892.

The spelling of 551776577 in words is "five hundred fifty-one million, seven hundred seventy-six thousand, five hundred seventy-seven".