50609440 has 96 divisors (see below), whose sum is σ = 138741120. Its totient is φ = 17086464.

The previous prime is 50609431. The next prime is 50609441. The reversal of 50609440 is 4490605.

It is a super-2 number, since 2×50609440² = 5122630834227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 50609399 and 50609408.

It is not an unprimeable number, because it can be changed into a prime (50609441) 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, 81451 + ... + 82069.

It is an arithmetic number, because the mean of its divisors is an integer number (1445220).

Almost surely, 2^50609440 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 50609440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69370560).

50609440 is an abundant number, since it is smaller than the sum of its proper divisors (88131680).

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

50609440 is a wasteful number, since it uses less digits than its factorization.

50609440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 50609440 is about 7114.0312060041. The cubic root of 50609440 is about 369.8939067623.

The spelling of 50609440 in words is "fifty million, six hundred nine thousand, four hundred forty".