51584291 has 4 divisors (see below), whose sum is σ = 56273784. Its totient is φ = 46894800.

The previous prime is 51584287. The next prime is 51584303. The reversal of 51584291 is 19248515.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51584291 - 2² = 51584287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51514291) 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, 2344730 + ... + 2344751.

It is an arithmetic number, because the mean of its divisors is an integer number (14068446).

Almost surely, 2^51584291 is an apocalyptic number.

51584291 is a deficient number, since it is larger than the sum of its proper divisors (4689493).

51584291 is a wasteful number, since it uses less digits than its factorization.

51584291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689492.

The product of its digits is 14400, while the sum is 35.

The square root of 51584291 is about 7182.2204783758. The cubic root of 51584291 is about 372.2538132771.

It can be divided in two parts, 5158 and 4291, that added together give a palindrome (9449).

The spelling of 51584291 in words is "fifty-one million, five hundred eighty-four thousand, two hundred ninety-one".