551577772 has 12 divisors (see below), whose sum is σ = 974633296. Its totient is φ = 273111120.

The previous prime is 551577757. The next prime is 551577811. The reversal of 551577772 is 277775155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668979 + ... + 669802.

Almost surely, 2^551577772 is an apocalyptic number.

It is an amenable number.

551577772 is a deficient number, since it is larger than the sum of its proper divisors (423055524).

551577772 is a wasteful number, since it uses less digits than its factorization.

551577772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338888 (or 1338886 counting only the distinct ones).

The product of its digits is 600250, while the sum is 46.

The square root of 551577772 is about 23485.6929214362. The cubic root of 551577772 is about 820.1039784863.

The spelling of 551577772 in words is "five hundred fifty-one million, five hundred seventy-seven thousand, seven hundred seventy-two".