50840000 has 140 divisors (see below), whose sum is σ = 133307328. Its totient is φ = 19200000.

The previous prime is 50839981. The next prime is 50840003. The reversal of 50840000 is 4805.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50840003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1239980 + ... + 1240020.

Almost surely, 2^50840000 is an apocalyptic number.

50840000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66653664).

50840000 is an abundant number, since it is smaller than the sum of its proper divisors (82467328).

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

50840000 is an equidigital number, since it uses as much as digits as its factorization.

50840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 50840000 is about 7130.2173879904. The cubic root of 50840000 is about 370.4547610166.

Adding to 50840000 its reverse (4805), we get a palindrome (50844805).

The spelling of 50840000 in words is "fifty million, eight hundred forty thousand".