50131980 has 192 divisors, whose sum is σ = 170311680. Its totient is φ = 12192768.

The previous prime is 50131967. The next prime is 50131987. The reversal of 50131980 is 8913105.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50131987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 394677 + ... + 394803.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^50131980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50131980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85155840).

50131980 is an abundant number, since it is smaller than the sum of its proper divisors (120179700).

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

50131980 is a wasteful number, since it uses less digits than its factorization.

50131980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 50131980 is about 7080.3940568305. The cubic root of 50131980 is about 368.7270107280.

It can be divided in two parts, 5013 and 1980, that multiplied together give a triangular number (9925740 = T₄₄₅₅).

The spelling of 50131980 in words is "fifty million, one hundred thirty-one thousand, nine hundred eighty".