10561056 has 96 divisors (see below), whose sum is σ = 30881088. Its totient is φ = 3133440.

The previous prime is 10561043. The next prime is 10561099. The reversal of 10561056 is 65016501.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×10561056² = 223071807670272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77020 + ... + 77156.

It is an arithmetic number, because the mean of its divisors is an integer number (321678).

Almost surely, 2^10561056 is an apocalyptic number.

10561056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10561056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15440544).

10561056 is an abundant number, since it is smaller than the sum of its proper divisors (20320032).

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

10561056 is a wasteful number, since it uses less digits than its factorization.

10561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 10561056 is about 3249.7778385607. Note that the first 3 decimals coincide. The cubic root of 10561056 is about 219.3995749290.

10561056 divided by its sum of digits (24) gives a palindrome (440044).

Adding to 10561056 its reverse (65016501), we get a palindrome (75577557).

Subtracting 10561056 from its reverse (65016501), we obtain a palindrome (54455445).

It can be divided in two parts, 1056 and 1056, that added together give a palindrome (2112).

The spelling of 10561056 in words is "ten million, five hundred sixty-one thousand, fifty-six".