50613940 has 48 divisors (see below), whose sum is σ = 116656848. Its totient is φ = 18330624.

The previous prime is 50613923. The next prime is 50613949. The reversal of 50613940 is 4931605.

It can be written as a sum of positive squares in 8 ways, for example, as 8259876 + 42354064 = 2874^2 + 6508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50613899 and 50613908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50613949) by changing a digit.

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, 11944 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (2430351).

Almost surely, 2^50613940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50613940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58328424).

50613940 is an abundant number, since it is smaller than the sum of its proper divisors (66042908).

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

50613940 is a wasteful number, since it uses less digits than its factorization.

50613940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3746 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 50613940 is about 7114.3474753487. The cubic root of 50613940 is about 369.9048696265.

The spelling of 50613940 in words is "fifty million, six hundred thirteen thousand, nine hundred forty".