50022840 has 256 divisors, whose sum is σ = 189112320. Its totient is φ = 10321920.

The previous prime is 50022793. The next prime is 50022859. The reversal of 50022840 is 4822005.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 442624 + ... + 442736.

It is an arithmetic number, because the mean of its divisors is an integer number (738720).

Almost surely, 2^50022840 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 50022840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94556160).

50022840 is an abundant number, since it is smaller than the sum of its proper divisors (139089480).

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

50022840 is a wasteful number, since it uses less digits than its factorization.

50022840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 50022840 is about 7072.6826593592. The cubic root of 50022840 is about 368.4592368443.

Adding to 50022840 its reverse (4822005), we get a palindrome (54844845).

The spelling of 50022840 in words is "fifty million, twenty-two thousand, eight hundred forty".