50299840 has 56 divisors (see below), whose sum is σ = 126095760. Its totient is φ = 19058688.

The previous prime is 50299831. The next prime is 50299841. The reversal of 50299840 is 4899205.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 50299840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50299841) 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, 1944 + ... + 10216.

It is an arithmetic number, because the mean of its divisors is an integer number (2251710).

Almost surely, 2^50299840 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 50299840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63047880).

50299840 is an abundant number, since it is smaller than the sum of its proper divisors (75795920).

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

50299840 is a wasteful number, since it uses less digits than its factorization.

50299840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309 (or 8299 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 50299840 is about 7092.2380106705. The cubic root of 50299840 is about 369.1380960439.

The spelling of 50299840 in words is "fifty million, two hundred ninety-nine thousand, eight hundred forty".