50807140 has 72 divisors (see below), whose sum is σ = 116750592. Its totient is φ = 18550080.

The previous prime is 50807093. The next prime is 50807143. The reversal of 50807140 is 4170805.

It is not an unprimeable number, because it can be changed into a prime (50807143) 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, 223707 + ... + 223933.

It is an arithmetic number, because the mean of its divisors is an integer number (1621536).

Almost surely, 2^50807140 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 50807140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58375296).

50807140 is an abundant number, since it is smaller than the sum of its proper divisors (65943452).

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

50807140 is a wasteful number, since it uses less digits than its factorization.

With its successor (50807141) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (305).

50807140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 50807140 is about 7127.9127379619. The cubic root of 50807140 is about 370.3749303908.

Adding to 50807140 its reverse (4170805), we get a palindrome (54977945).

The spelling of 50807140 in words is "fifty million, eight hundred seven thousand, one hundred forty".