55861105 has 8 divisors (see below), whose sum is σ = 69345000. Its totient is φ = 43147776.

The previous prime is 55861093. The next prime is 55861109. The reversal of 55861105 is 50116855.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 55845729 = 124^2 + 7473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55861105 - 2⁵ = 55861073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55861109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192480 + ... + 192769.

It is an arithmetic number, because the mean of its divisors is an integer number (8668125).

Almost surely, 2^55861105 is an apocalyptic number.

It is an amenable number.

55861105 is a deficient number, since it is larger than the sum of its proper divisors (13483895).

55861105 is a wasteful number, since it uses less digits than its factorization.

55861105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385283.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 55861105 is about 7474.0286994365. The cubic root of 55861105 is about 382.2696692378.

The spelling of 55861105 in words is "fifty-five million, eight hundred sixty-one thousand, one hundred five".