50581151 has 4 divisors (see below), whose sum is σ = 50601600. Its totient is φ = 50560704.

The previous prime is 50581087. The next prime is 50581159. The reversal of 50581151 is 15118505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15118505 = 5 ⋅3023701.

It is a cyclic number.

It is not a de Polignac number, because 50581151 - 2⁶ = 50581087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50581151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50581159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5906 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (12650400).

Almost surely, 2^50581151 is an apocalyptic number.

50581151 is a deficient number, since it is larger than the sum of its proper divisors (20449).

50581151 is a wasteful number, since it uses less digits than its factorization.

50581151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448.

The product of its (nonzero) digits is 1000, while the sum is 26.

The square root of 50581151 is about 7112.0426742252. The cubic root of 50581151 is about 369.8249744380.

Adding to 50581151 its reverse (15118505), we get a palindrome (65699656).

The spelling of 50581151 in words is "fifty million, five hundred eighty-one thousand, one hundred fifty-one".