104553561 has 32 divisors (see below), whose sum is σ = 175011840. Its totient is φ = 54134784.

The previous prime is 104553541. The next prime is 104553571. The reversal of 104553561 is 165355401.

It is not a de Polignac number, because 104553561 - 2¹³ = 104545369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104553541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3481 + ... + 14873.

It is an arithmetic number, because the mean of its divisors is an integer number (5469120).

Almost surely, 2^104553561 is an apocalyptic number.

It is an amenable number.

104553561 is a deficient number, since it is larger than the sum of its proper divisors (70458279).

104553561 is a wasteful number, since it uses less digits than its factorization.

104553561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 104553561 is about 10225.1435686742. The cubic root of 104553561 is about 471.0998251276.

The spelling of 104553561 in words is "one hundred four million, five hundred fifty-three thousand, five hundred sixty-one".