551051056 has 20 divisors (see below), whose sum is σ = 1130465592. Its totient is φ = 259318016.

The previous prime is 551051047. The next prime is 551051113. The reversal of 551051056 is 650150155.

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 3 ways as a sum of consecutive naturals, for example, 1012690 + ... + 1013233.

Almost surely, 2^551051056 is an apocalyptic number.

It is an amenable number.

551051056 is an abundant number, since it is smaller than the sum of its proper divisors (579414536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551051056 is a wasteful number, since it uses less digits than its factorization.

551051056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025948 (or 2025942 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 551051056 is about 23474.4766927827. The cubic root of 551051056 is about 819.8428491229.

Subtracting 551051056 from its reverse (650150155), we obtain a palindrome (99099099).

The spelling of 551051056 in words is "five hundred fifty-one million, fifty-one thousand, fifty-six".