50601531000 has 256 divisors, whose sum is σ = 161411927040. Its totient is φ = 13195046400.

The previous prime is 50601530879. The next prime is 50601531061. The reversal of 50601531000 is 13510605.

It is a happy number.

It is a super-2 number, since 2×50601531000² (a number of 22 digits) contains 22 as substring.

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, 25646014 + ... + 25647986.

It is an arithmetic number, because the mean of its divisors is an integer number (630515340).

Almost surely, 2^50601531000 is an apocalyptic number.

50601531000 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 50601531000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80705963520).

50601531000 is an abundant number, since it is smaller than the sum of its proper divisors (110810396040).

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

50601531000 is a wasteful number, since it uses less digits than its factorization.

50601531000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 50601531000 in words is "fifty billion, six hundred one million, five hundred thirty-one thousand".