50861091 has 8 divisors (see below), whose sum is σ = 68473600. Its totient is φ = 33577992.

The previous prime is 50861089. The next prime is 50861101. The reversal of 50861091 is 19016805.

It is a happy number.

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

It is not a de Polignac number, because 50861091 - 2¹ = 50861089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50861491) 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, 81991 + ... + 82608.

It is an arithmetic number, because the mean of its divisors is an integer number (8559200).

Almost surely, 2^50861091 is an apocalyptic number.

50861091 is a deficient number, since it is larger than the sum of its proper divisors (17612509).

50861091 is a wasteful number, since it uses less digits than its factorization.

50861091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164705.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 50861091 is about 7131.6962217974. The cubic root of 50861091 is about 370.5059817167.

Adding to 50861091 its reverse (19016805), we get a palindrome (69877896).

The spelling of 50861091 in words is "fifty million, eight hundred sixty-one thousand, ninety-one".