105555828 has 24 divisors (see below), whose sum is σ = 281482432. Its totient is φ = 30158784.

The previous prime is 105555823. The next prime is 105555829. The reversal of 105555828 is 828555501.

It is a super-2 number, since 2×105555828² = 22284065649531168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105555823) 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, 628225 + ... + 628392.

Almost surely, 2^105555828 is an apocalyptic number.

It is an amenable number.

105555828 is an abundant number, since it is smaller than the sum of its proper divisors (175926604).

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

105555828 is a wasteful number, since it uses less digits than its factorization.

105555828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256631 (or 1256629 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 39.

The square root of 105555828 is about 10274.0365971706. The cubic root of 105555828 is about 472.6003862740.

The spelling of 105555828 in words is "one hundred five million, five hundred fifty-five thousand, eight hundred twenty-eight".