50311253000 has 64 divisors (see below), whose sum is σ = 118256785920. Its totient is φ = 20034168000.

The previous prime is 50311252991. The next prime is 50311253011. The reversal of 50311253000 is 35211305.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110195 + ... + 335805.

It is an arithmetic number, because the mean of its divisors is an integer number (1847762280).

Almost surely, 2^50311253000 is an apocalyptic number.

50311253000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50311253000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59128392960).

50311253000 is an abundant number, since it is smaller than the sum of its proper divisors (67945532920).

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

50311253000 is a wasteful number, since it uses less digits than its factorization.

50311253000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225855 (or 225841 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 50311253000 its reverse (35211305), we get a palindrome (50346464305).

The spelling of 50311253000 in words is "fifty billion, three hundred eleven million, two hundred fifty-three thousand".