50001425250 has 160 divisors (see below), whose sum is σ = 145600730496. Its totient is φ = 11428485600.

The previous prime is 50001425191. The next prime is 50001425269. The reversal of 50001425250 is 5252410005.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50001425250.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1786867 + ... + 1814633.

Almost surely, 2^50001425250 is an apocalyptic number.

50001425250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 50001425250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72800365248).

50001425250 is an abundant number, since it is smaller than the sum of its proper divisors (95599305246).

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

50001425250 is an equidigital number, since it uses as much as digits as its factorization.

50001425250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27815 (or 27784 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 50001425250 its reverse (5252410005), we get a palindrome (55253835255).

The spelling of 50001425250 in words is "fifty billion, one million, four hundred twenty-five thousand, two hundred fifty".