1051550564 has 6 divisors (see below), whose sum is σ = 1840213494. Its totient is φ = 525775280.

The previous prime is 1051550551. The next prime is 1051550579. The reversal of 1051550564 is 4650551501.

It can be written as a sum of positive squares in only one way, i.e., 632120164 + 419430400 = 25142^2 + 20480^2 .

It is a super-2 number, since 2×1051550564² = 2211517177297436192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051550564.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131443817 + ... + 131443824.

It is an arithmetic number, because the mean of its divisors is an integer number (306702249).

Almost surely, 2^1051550564 is an apocalyptic number.

It is an amenable number.

1051550564 is a deficient number, since it is larger than the sum of its proper divisors (788662930).

1051550564 is a wasteful number, since it uses less digits than its factorization.

1051550564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262887645 (or 262887643 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1051550564 is about 32427.6203875647. The cubic root of 1051550564 is about 1016.8964242651.

The spelling of 1051550564 in words is "one billion, fifty-one million, five hundred fifty thousand, five hundred sixty-four".