100506056 has 24 divisors (see below), whose sum is σ = 219216870. Its totient is φ = 43073856.

The previous prime is 100506037. The next prime is 100506071. The reversal of 100506056 is 650605001.

It can be written as a sum of positive squares in only one way, i.e., 79032100 + 21473956 = 8890^2 + 4634^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127805 + ... + 128588.

Almost surely, 2^100506056 is an apocalyptic number.

It is an amenable number.

100506056 is an abundant number, since it is smaller than the sum of its proper divisors (118710814).

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

100506056 is a wasteful number, since it uses less digits than its factorization.

100506056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256413 (or 256402 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 100506056 is about 10025.2708691586. The cubic root of 100506056 is about 464.9405342695.

The spelling of 100506056 in words is "one hundred million, five hundred six thousand, fifty-six".