50599840 has 48 divisors (see below), whose sum is σ = 120151080. Its totient is φ = 20136960.

The previous prime is 50599823. The next prime is 50599841. The reversal of 50599840 is 4899505.

It can be written as a sum of positive squares in 4 ways, for example, as 48052624 + 2547216 = 6932^2 + 1596^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 50599793 and 50599802.

It is not an unprimeable number, because it can be changed into a prime (50599841) 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, 35950 + ... + 37330.

Almost surely, 2^50599840 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 50599840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60075540).

50599840 is an abundant number, since it is smaller than the sum of its proper divisors (69551240).

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

50599840 is a wasteful number, since it uses less digits than its factorization.

50599840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1617 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 50599840 is about 7113.3564510715. The cubic root of 50599840 is about 369.8705171466.

The spelling of 50599840 in words is "fifty million, five hundred ninety-nine thousand, eight hundred forty".