105100550 has 24 divisors (see below), whose sum is σ = 195879576. Its totient is φ = 41955840.

The previous prime is 105100549. The next prime is 105100561. The reversal of 105100550 is 55001501.

It is a super-2 number, since 2×105100550² = 22092251220605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27029 + ... + 30671.

It is an arithmetic number, because the mean of its divisors is an integer number (8161649).

Almost surely, 2^105100550 is an apocalyptic number.

105100550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105100550 is a deficient number, since it is larger than the sum of its proper divisors (90779026).

105100550 is a wasteful number, since it uses less digits than its factorization.

105100550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 105100550 is about 10251.8559295378. The cubic root of 105100550 is about 471.9199417746.

The spelling of 105100550 in words is "one hundred five million, one hundred thousand, five hundred fifty".