100549056 has 112 divisors (see below), whose sum is σ = 278818848. Its totient is φ = 31948800.

The previous prime is 100549049. The next prime is 100549063. The reversal of 100549056 is 650945001.

It is an interprime number because it is at equal distance from previous prime (100549049) and next prime (100549063).

It is a super-2 number, since 2×100549056² = 20220225324982272, 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 15 ways as a sum of consecutive naturals, for example, 417096 + ... + 417336.

It is an arithmetic number, because the mean of its divisors is an integer number (2489454).

Almost surely, 2^100549056 is an apocalyptic number.

100549056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100549056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139409424).

100549056 is an abundant number, since it is smaller than the sum of its proper divisors (178269792).

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

100549056 is a wasteful number, since it uses less digits than its factorization.

100549056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 100549056 is about 10027.4152202848. The cubic root of 100549056 is about 465.0068307472.

It can be divided in two parts, 10054 and 9056, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 100549056 in words is "one hundred million, five hundred forty-nine thousand, fifty-six".