51322541 has 8 divisors (see below), whose sum is σ = 54842040. Its totient is φ = 47858688.

The previous prime is 51322519. The next prime is 51322559. The reversal of 51322541 is 14522315.

It can be written as a sum of positive squares in 4 ways, for example, as 4605316 + 46717225 = 2146^2 + 6835^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51322541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51322501) 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, 11996 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (6855255).

Almost surely, 2^51322541 is an apocalyptic number.

It is an amenable number.

51322541 is a deficient number, since it is larger than the sum of its proper divisors (3519499).

51322541 is a wasteful number, since it uses less digits than its factorization.

51322541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27823.

The product of its digits is 1200, while the sum is 23.

The square root of 51322541 is about 7163.9752232961. The cubic root of 51322541 is about 371.6231128177.

Adding to 51322541 its reverse (14522315), we get a palindrome (65844856).

The spelling of 51322541 in words is "fifty-one million, three hundred twenty-two thousand, five hundred forty-one".