50502240 has 144 divisors (see below), whose sum is σ = 182564928. Its totient is φ = 12668928.

The previous prime is 50502233. The next prime is 50502241. The reversal of 50502240 is 4220505.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50502241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23449 + ... + 25511.

It is an arithmetic number, because the mean of its divisors is an integer number (1267812).

Almost surely, 2^50502240 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 50502240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91282464).

50502240 is an abundant number, since it is smaller than the sum of its proper divisors (132062688).

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

50502240 is a wasteful number, since it uses less digits than its factorization.

50502240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 50502240 is about 7106.4928058783. The cubic root of 50502240 is about 369.6325546183.

Adding to 50502240 its reverse (4220505), we get a palindrome (54722745).

The spelling of 50502240 in words is "fifty million, five hundred two thousand, two hundred forty".