50102442 has 64 divisors (see below), whose sum is σ = 120960000. Its totient is φ = 15280704.

The previous prime is 50102359. The next prime is 50102443. The reversal of 50102442 is 24420105.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (50102443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104359 + ... + 104837.

It is an arithmetic number, because the mean of its divisors is an integer number (1890000).

Almost surely, 2^50102442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50102442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60480000).

50102442 is an abundant number, since it is smaller than the sum of its proper divisors (70857558).

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

50102442 is a wasteful number, since it uses less digits than its factorization.

50102442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 50102442 is about 7078.3078486316. The cubic root of 50102442 is about 368.6545779334.

Adding to 50102442 its reverse (24420105), we get a palindrome (74522547).

The spelling of 50102442 in words is "fifty million, one hundred two thousand, four hundred forty-two".