105550523 has 8 divisors (see below), whose sum is σ = 116442816. Its totient is φ = 95054400.

The previous prime is 105550493. The next prime is 105550531. The reversal of 105550523 is 325055501.

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

It is not a de Polignac number, because 105550523 - 2¹⁴ = 105534139 is a prime.

It is a super-2 number, since 2×105550523² = 22281825811147058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105550492 and 105550501.

It is not an unprimeable number, because it can be changed into a prime (105550553) 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, 98483 + ... + 99548.

It is an arithmetic number, because the mean of its divisors is an integer number (14555352).

Almost surely, 2^105550523 is an apocalyptic number.

105550523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105550523 is a deficient number, since it is larger than the sum of its proper divisors (10892293).

105550523 is a wasteful number, since it uses less digits than its factorization.

105550523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198085.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 105550523 is about 10273.7784188681. The cubic root of 105550523 is about 472.5924688617.

The spelling of 105550523 in words is "one hundred five million, five hundred fifty thousand, five hundred twenty-three".