105558087 has 8 divisors (see below), whose sum is σ = 141349104. Its totient is φ = 70069568.

The previous prime is 105558001. The next prime is 105558119. The reversal of 105558087 is 780855501.

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 105558087 - 2⁸ = 105557831 is a prime.

It is a super-2 number, since 2×105558087² = 22285019462199138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105558587) 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, 74808 + ... + 76205.

It is an arithmetic number, because the mean of its divisors is an integer number (17668638).

Almost surely, 2^105558087 is an apocalyptic number.

105558087 is a deficient number, since it is larger than the sum of its proper divisors (35791017).

105558087 is a wasteful number, since it uses less digits than its factorization.

105558087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151249.

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 105558087 is about 10274.1465338976. The cubic root of 105558087 is about 472.6037576232.

The spelling of 105558087 in words is "one hundred five million, five hundred fifty-eight thousand, eighty-seven".