105672550 has 12 divisors (see below), whose sum is σ = 196551036. Its totient is φ = 42269000.

The previous prime is 105672517. The next prime is 105672551. The reversal of 105672550 is 55276501.

It is a super-2 number, since 2×105672550² = 22333375647005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105672551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056676 + ... + 1056775.

It is an arithmetic number, because the mean of its divisors is an integer number (16379253).

Almost surely, 2^105672550 is an apocalyptic number.

105672550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105672550 is a deficient number, since it is larger than the sum of its proper divisors (90878486).

105672550 is a wasteful number, since it uses less digits than its factorization.

105672550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113463 (or 2113458 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 105672550 is about 10279.7154629883. The cubic root of 105672550 is about 472.7745201678.

The spelling of 105672550 in words is "one hundred five million, six hundred seventy-two thousand, five hundred fifty".