50861173 has 8 divisors (see below), whose sum is σ = 57275136. Its totient is φ = 44745600.

The previous prime is 50861159. The next prime is 50861177. The reversal of 50861173 is 37116805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50861173 - 2⁵ = 50861141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50861177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74236 + ... + 74917.

It is an arithmetic number, because the mean of its divisors is an integer number (7159392).

Almost surely, 2^50861173 is an apocalyptic number.

It is an amenable number.

50861173 is a deficient number, since it is larger than the sum of its proper divisors (6413963).

50861173 is a wasteful number, since it uses less digits than its factorization.

50861173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149195.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 50861173 is about 7131.7019707781. The cubic root of 50861173 is about 370.5061808307.

Adding to 50861173 its reverse (37116805), we get a palindrome (87977978).

The spelling of 50861173 in words is "fifty million, eight hundred sixty-one thousand, one hundred seventy-three".