50947130 has 32 divisors (see below), whose sum is σ = 104572944. Its totient is φ = 17703936.

The previous prime is 50947129. The next prime is 50947153. The reversal of 50947130 is 3174905.

It can be written as a sum of positive squares in 8 ways, for example, as 26553409 + 24393721 = 5153^2 + 4939^2 .

It is a super-2 number, since 2×50947130² = 5191220110473800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50947093 and 50947102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9317 + ... + 13736.

Almost surely, 2^50947130 is an apocalyptic number.

50947130 is an abundant number, since it is smaller than the sum of its proper divisors (53625814).

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

50947130 is a wasteful number, since it uses less digits than its factorization.

50947130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23090.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 50947130 is about 7137.7258283013. The cubic root of 50947130 is about 370.7147857683.

The spelling of 50947130 in words is "fifty million, nine hundred forty-seven thousand, one hundred thirty".