50161860 has 144 divisors (see below), whose sum is σ = 178319232. Its totient is φ = 11174400.

The previous prime is 50161847. The next prime is 50161861. The reversal of 50161860 is 6816105.

It is not an unprimeable number, because it can be changed into a prime (50161861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51175 + ... + 52145.

It is an arithmetic number, because the mean of its divisors is an integer number (1238328).

Almost surely, 2^50161860 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 50161860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89159616).

50161860 is an abundant number, since it is smaller than the sum of its proper divisors (128157372).

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

50161860 is a wasteful number, since it uses less digits than its factorization.

50161860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50161860 is about 7082.5037945630. The cubic root of 50161860 is about 368.8002532297.

Adding to 50161860 its reverse (6816105), we get a palindrome (56977965).

The spelling of 50161860 in words is "fifty million, one hundred sixty-one thousand, eight hundred sixty".