10554561 has 12 divisors (see below), whose sum is σ = 15279888. Its totient is φ = 7020504.

The previous prime is 10554547. The next prime is 10554563. The reversal of 10554561 is 16545501.

It is a happy number.

It is not a de Polignac number, because 10554561 - 2¹¹ = 10552513 is a prime.

It is a super-2 number, since 2×10554561² = 222797515805442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10554563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4026 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (1273324).

Almost surely, 2^10554561 is an apocalyptic number.

It is an amenable number.

10554561 is a deficient number, since it is larger than the sum of its proper divisors (4725327).

10554561 is a wasteful number, since it uses less digits than its factorization.

10554561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 10554561 is about 3248.7783857937. The cubic root of 10554561 is about 219.3545891352.

The spelling of 10554561 in words is "ten million, five hundred fifty-four thousand, five hundred sixty-one".