50711040 has 240 divisors, whose sum is σ = 183845376. Its totient is φ = 12902400.

The previous prime is 50711039. The next prime is 50711047. The reversal of 50711040 is 4011705.

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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50711047) 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, 714205 + ... + 714275.

Almost surely, 2^50711040 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 50711040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91922688).

50711040 is an abundant number, since it is smaller than the sum of its proper divisors (133134336).

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

50711040 is a wasteful number, since it uses less digits than its factorization.

50711040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 50711040 is about 7121.1684434508. The cubic root of 50711040 is about 370.1412657560.

Adding to 50711040 its reverse (4011705), we get a palindrome (54722745).

The spelling of 50711040 in words is "fifty million, seven hundred eleven thousand, forty".