50321040 has 240 divisors, whose sum is σ = 198469440. Its totient is φ = 10429440.

The previous prime is 50321027. The next prime is 50321081. The reversal of 50321040 is 4012305.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129166 + ... + 129554.

It is an arithmetic number, because the mean of its divisors is an integer number (826956).

Almost surely, 2^50321040 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 50321040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99234720).

50321040 is an abundant number, since it is smaller than the sum of its proper divisors (148148400).

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

50321040 is a wasteful number, since it uses less digits than its factorization.

50321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 50321040 is about 7093.7324449122. The cubic root of 50321040 is about 369.1899492801.

Adding to 50321040 its reverse (4012305), we get a palindrome (54333345).

The spelling of 50321040 in words is "fifty million, three hundred twenty-one thousand, forty".