105550972 has 12 divisors (see below), whose sum is σ = 184982616. Its totient is φ = 52698800.

The previous prime is 105550967. The next prime is 105550987. The reversal of 105550972 is 279055501.

It is a super-2 number, since 2×105550972² = 22282015380289568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16018 + ... + 21625.

It is an arithmetic number, because the mean of its divisors is an integer number (15415218).

Almost surely, 2^105550972 is an apocalyptic number.

It is an amenable number.

105550972 is a deficient number, since it is larger than the sum of its proper divisors (79431644).

105550972 is a wasteful number, since it uses less digits than its factorization.

105550972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38348 (or 38346 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 105550972 is about 10273.8002705912. The cubic root of 105550972 is about 472.5931389790.

The spelling of 105550972 in words is "one hundred five million, five hundred fifty thousand, nine hundred seventy-two".