551612056 has 32 divisors (see below), whose sum is σ = 1096200000. Its totient is φ = 259324416.

The previous prime is 551612053. The next prime is 551612077. The reversal of 551612056 is 650216155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551612051) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 270850 + ... + 272878.

It is an arithmetic number, because the mean of its divisors is an integer number (34256250).

Almost surely, 2^551612056 is an apocalyptic number.

It is an amenable number.

551612056 is a deficient number, since it is larger than the sum of its proper divisors (544587944).

551612056 is a wasteful number, since it uses less digits than its factorization.

551612056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 551612056 is about 23486.4228012697. The cubic root of 551612056 is about 820.1209696606.

The spelling of 551612056 in words is "five hundred fifty-one million, six hundred twelve thousand, fifty-six".