105100056 has 48 divisors (see below), whose sum is σ = 291596760. Its totient is φ = 34177920.

The previous prime is 105100049. The next prime is 105100109. The reversal of 105100056 is 650001501.

It is a super-2 number, since 2×105100056² = 22092043542406272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 14850 + ... + 20753.

Almost surely, 2^105100056 is an apocalyptic number.

It is an amenable number.

105100056 is an abundant number, since it is smaller than the sum of its proper divisors (186496704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105100056 is a wasteful number, since it uses less digits than its factorization.

105100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35656 (or 35649 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 105100056 is about 10251.8318363110. The cubic root of 105100056 is about 471.9192023911.

Adding to 105100056 its reverse (650001501), we get a palindrome (755101557).

The spelling of 105100056 in words is "one hundred five million, one hundred thousand, fifty-six".