50042123502 has 64 divisors (see below), whose sum is σ = 117649297920. Its totient is φ = 13892788224.

The previous prime is 50042123501. The next prime is 50042123507. The reversal of 50042123502 is 20532124005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50042123501) 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, 276774 + ... + 420342.

It is an arithmetic number, because the mean of its divisors is an integer number (1838270280).

Almost surely, 2^50042123502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50042123502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58824648960).

50042123502 is an abundant number, since it is smaller than the sum of its proper divisors (67607174418).

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

50042123502 is a wasteful number, since it uses less digits than its factorization.

50042123502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143817.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 50042123502 its reverse (20532124005), we get a palindrome (70574247507).

The spelling of 50042123502 in words is "fifty billion, forty-two million, one hundred twenty-three thousand, five hundred two".