50142320 has 40 divisors (see below), whose sum is σ = 117287136. Its totient is φ = 19935488.

The previous prime is 50142319. The next prime is 50142329. The reversal of 50142320 is 2324105.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50142329) 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, 12029 + ... + 15651.

Almost surely, 2^50142320 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 50142320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58643568).

50142320 is an abundant number, since it is smaller than the sum of its proper divisors (67144816).

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

50142320 is a wasteful number, since it uses less digits than its factorization.

50142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 50142320 is about 7081.1242045314. The cubic root of 50142320 is about 368.7523596517.

Adding to 50142320 its reverse (2324105), we get a palindrome (52466425).

The spelling of 50142320 in words is "fifty million, one hundred forty-two thousand, three hundred twenty".