50173668 has 72 divisors (see below), whose sum is σ = 134840160. Its totient is φ = 16303680.

The previous prime is 50173663. The next prime is 50173693. The reversal of 50173668 is 86637105.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50173663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39223 + ... + 40481.

It is an arithmetic number, because the mean of its divisors is an integer number (1872780).

Almost surely, 2^50173668 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 50173668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67420080).

50173668 is an abundant number, since it is smaller than the sum of its proper divisors (84666492).

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

50173668 is a wasteful number, since it uses less digits than its factorization.

50173668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 50173668 is about 7083.3373490185. The cubic root of 50173668 is about 368.8291892363.

The spelling of 50173668 in words is "fifty million, one hundred seventy-three thousand, six hundred sixty-eight".