50651340 has 96 divisors (see below), whose sum is σ = 150769920. Its totient is φ = 12669696.

The previous prime is 50651327. The next prime is 50651351. The reversal of 50651340 is 4315605.

It is a self number, because there is not a number n which added to its sum of digits gives 50651340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178839 + ... + 179121.

It is an arithmetic number, because the mean of its divisors is an integer number (1570520).

Almost surely, 2^50651340 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 50651340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75384960).

50651340 is an abundant number, since it is smaller than the sum of its proper divisors (100118580).

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

50651340 is a wasteful number, since it uses less digits than its factorization.

50651340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 50651340 is about 7116.9754811999. The cubic root of 50651340 is about 369.9959580761.

Adding to 50651340 its reverse (4315605), we get a palindrome (54966945).

The spelling of 50651340 in words is "fifty million, six hundred fifty-one thousand, three hundred forty".