50691130 has 32 divisors (see below), whose sum is σ = 107879040. Its totient is φ = 16779840.

The previous prime is 50691083. The next prime is 50691139. The reversal of 50691130 is 3119605.

50691130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50691095 and 50691104.

It is not an unprimeable number, because it can be changed into a prime (50691139) by changing a digit.

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, 10456 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (3371220).

Almost surely, 2^50691130 is an apocalyptic number.

50691130 is an abundant number, since it is smaller than the sum of its proper divisors (57187910).

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

50691130 is a wasteful number, since it uses less digits than its factorization.

50691130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25014.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 50691130 is about 7119.7703614653. The cubic root of 50691130 is about 370.0928182038.

The spelling of 50691130 in words is "fifty million, six hundred ninety-one thousand, one hundred thirty".