50921742 has 32 divisors (see below), whose sum is σ = 104049792. Its totient is φ = 16609824.

The previous prime is 50921719. The next prime is 50921743. The reversal of 50921742 is 24712905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50921743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78873 + ... + 79515.

It is an arithmetic number, because the mean of its divisors is an integer number (3251556).

Almost surely, 2^50921742 is an apocalyptic number.

50921742 is an abundant number, since it is smaller than the sum of its proper divisors (53128050).

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

50921742 is a wasteful number, since it uses less digits than its factorization.

50921742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 50921742 is about 7135.9471690869. The cubic root of 50921742 is about 370.6531972761.

The spelling of 50921742 in words is "fifty million, nine hundred twenty-one thousand, seven hundred forty-two".