50211640 has 32 divisors (see below), whose sum is σ = 113179680. Its totient is φ = 20048512.

The previous prime is 50211631. The next prime is 50211643. The reversal of 50211640 is 4611205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50211643) 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, 38682 + ... + 39958.

It is an arithmetic number, because the mean of its divisors is an integer number (3536865).

Almost surely, 2^50211640 is an apocalyptic number.

It is an amenable number.

50211640 is an abundant number, since it is smaller than the sum of its proper divisors (62968040).

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

50211640 is a wasteful number, since it uses less digits than its factorization.

50211640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 50211640 is about 7086.0172170268. The cubic root of 50211640 is about 368.9222104758.

Adding to 50211640 its reverse (4611205), we get a palindrome (54822845).

The spelling of 50211640 in words is "fifty million, two hundred eleven thousand, six hundred forty".