30100056 has 32 divisors (see below), whose sum is σ = 86000640. Its totient is φ = 8599968.

The previous prime is 30100051. The next prime is 30100079. The reversal of 30100056 is 65000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30100051) 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, 89416 + ... + 89751.

It is an arithmetic number, because the mean of its divisors is an integer number (2687520).

Almost surely, 2^30100056 is an apocalyptic number.

It is an amenable number.

30100056 is an abundant number, since it is smaller than the sum of its proper divisors (55900584).

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

30100056 is a wasteful number, since it uses less digits than its factorization.

30100056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179183 (or 179179 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30100056 is about 5486.3517933140. The cubic root of 30100056 is about 311.0683086618.

Adding to 30100056 its reverse (65000103), we get a palindrome (95100159).

The spelling of 30100056 in words is "thirty million, one hundred thousand, fifty-six".