50311040 has 64 divisors (see below), whose sum is σ = 129548160. Its totient is φ = 18573312.

The previous prime is 50311039. The next prime is 50311043. The reversal of 50311040 is 4011305.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50311043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5297 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (2024190).

Almost surely, 2^50311040 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 50311040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64774080).

50311040 is an abundant number, since it is smaller than the sum of its proper divisors (79237120).

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

50311040 is a wasteful number, since it uses less digits than its factorization.

50311040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079 (or 6067 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 50311040 is about 7093.0275623319. The cubic root of 50311040 is about 369.1654920214.

Adding to 50311040 its reverse (4011305), we get a palindrome (54322345).

The spelling of 50311040 in words is "fifty million, three hundred eleven thousand, forty".